fix allocation of large circular buffers on unix: - #3

Merged
bastibl merged 1 commit into
FutureSDR:mainfrom
011000101101:main
Dec 12, 2025
Merged

fix allocation of large circular buffers on unix: #3
bastibl merged 1 commit into
FutureSDR:mainfrom
011000101101:main

Conversation

@011000101101

@011000101101011000101101 commented Dec 11, 2025

Copy link
Copy Markdown

Add flag to second mmap call of buffer allocation to treat address as a requirement and not as a hint.
Possible failure / fallback is covered by original verification of returned pointer.

Vincenz
fix allocation of large circular buffers on unix: add flag to second …
8672362
…mmap call of buffer allocation to treat address as a requirement and not as a hint.
@bastibl

bastibl commented Dec 12, 2025

Copy link
Copy Markdown
Member

Thanks, this looks like the correct flag to use on Linux. Unfortunately, it breaks macOS :-/ I guess it needs to be feature-gated. I'll give it a try.

@bastibl
bastibl merged commit 6d77be9 into FutureSDR:mainDec 12, 2025
2 of 3 checks passed
Sign up for freeto join this conversation on GitHub. Already have an account? Sign in to comment

Reviewers

No reviews

Assignees

No one assigned

Labels

None yet

Projects

None yet

Milestone

No milestone

Development

Successfully merging this pull request may close these issues.

2 participants

@011000101101@bastibl
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

Skip to content
fix allocation of large circular buffers on unix:  - #3
Merged
bastibl merged 1 commit into
FutureSDR:mainfrom 
011000101101:main
Dec 12, 2025
Merged
fix allocation of large circular buffers on unix: #3
bastibl merged 1 commit into
FutureSDR:mainfrom 
011000101101:main
Conversation
@011000101101
@011000101101011000101101
commented
Dec 11, 2025

Copy link


Copy Markdown

Add flag to second mmap call of buffer allocation to treat address as a requirement and not as a hint.

Possible failure / fallback is covered by original verification of returned pointer.
Vincenz
fix allocation of large circular buffers on unix: add flag to second …
8672362
…mmap call of buffer allocation to treat address as a requirement and not as a hint.
@bastibl
bastibl
commented
Dec 12, 2025

Copy link


Copy Markdown

Member
Thanks, this looks like the correct flag to use on Linux. Unfortunately, it breaks macOS :-/ I guess it needs to be feature-gated. I'll give it a try.
@bastibl
bastibl
merged commit 6d77be9
into
FutureSDR:mainDec 12, 2025

2 of 3 checks passed

Sign up for freeto join this conversation on GitHub.
Already have an account?
Sign in to comment

Reviewers


No reviews


Assignees


No one assigned


Labels


None yet


Projects


None yet


Milestone


No milestone


Development

Successfully merging this pull request may close these issues.

2 participants

@011000101101@bastibl

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
fix allocation of large circular buffers on unix:  - #3
Merged
bastibl merged 1 commit into
FutureSDR:mainfrom 
011000101101:main
Dec 12, 2025
Merged
fix allocation of large circular buffers on unix: #3
bastibl merged 1 commit into
FutureSDR:mainfrom 
011000101101:main
Conversation
@011000101101
@011000101101011000101101
commented
Dec 11, 2025

Copy link


Copy Markdown

Add flag to second mmap call of buffer allocation to treat address as a requirement and not as a hint.

Possible failure / fallback is covered by original verification of returned pointer.
Vincenz
fix allocation of large circular buffers on unix: add flag to second …
8672362
…mmap call of buffer allocation to treat address as a requirement and not as a hint.
@bastibl
bastibl
commented
Dec 12, 2025

Copy link


Copy Markdown

Member
Thanks, this looks like the correct flag to use on Linux. Unfortunately, it breaks macOS :-/ I guess it needs to be feature-gated. I'll give it a try.
@bastibl
bastibl
merged commit 6d77be9
into
FutureSDR:mainDec 12, 2025

2 of 3 checks passed

Sign up for freeto join this conversation on GitHub.
Already have an account?
Sign in to comment

Reviewers


No reviews


Assignees


No one assigned


Labels


None yet


Projects


None yet


Milestone


No milestone


Development

Successfully merging this pull request may close these issues.

2 participants

@011000101101@bastibl

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
fix allocation of large circular buffers on unix:  - #3
Merged
bastibl merged 1 commit into
FutureSDR:mainfrom 
011000101101:main
Dec 12, 2025
Merged
fix allocation of large circular buffers on unix: #3
bastibl merged 1 commit into
FutureSDR:mainfrom 
011000101101:main
Conversation
@011000101101
@011000101101011000101101
commented
Dec 11, 2025

Copy link


Copy Markdown

Add flag to second mmap call of buffer allocation to treat address as a requirement and not as a hint.

Possible failure / fallback is covered by original verification of returned pointer.
Vincenz
fix allocation of large circular buffers on unix: add flag to second …
8672362
…mmap call of buffer allocation to treat address as a requirement and not as a hint.
@bastibl
bastibl
commented
Dec 12, 2025

Copy link


Copy Markdown

Member
Thanks, this looks like the correct flag to use on Linux. Unfortunately, it breaks macOS :-/ I guess it needs to be feature-gated. I'll give it a try.
@bastibl
bastibl
merged commit 6d77be9
into
FutureSDR:mainDec 12, 2025

2 of 3 checks passed

Sign up for freeto join this conversation on GitHub.
Already have an account?
Sign in to comment

Reviewers


No reviews


Assignees


No one assigned


Labels


None yet


Projects


None yet


Milestone


No milestone


Development

Successfully merging this pull request may close these issues.

2 participants

@011000101101@bastibl

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

Skip to content
fix allocation of large circular buffers on unix:  - #3
Merged
bastibl merged 1 commit into
FutureSDR:mainfrom 
011000101101:main
Dec 12, 2025
Merged
fix allocation of large circular buffers on unix: #3
bastibl merged 1 commit into
FutureSDR:mainfrom 
011000101101:main
Conversation
@011000101101
@011000101101011000101101
commented
Dec 11, 2025

Copy link


Copy Markdown

Add flag to second mmap call of buffer allocation to treat address as a requirement and not as a hint.

Possible failure / fallback is covered by original verification of returned pointer.
Vincenz
fix allocation of large circular buffers on unix: add flag to second …
8672362
…mmap call of buffer allocation to treat address as a requirement and not as a hint.
@bastibl
bastibl
commented
Dec 12, 2025

Copy link


Copy Markdown

Member
Thanks, this looks like the correct flag to use on Linux. Unfortunately, it breaks macOS :-/ I guess it needs to be feature-gated. I'll give it a try.
@bastibl
bastibl
merged commit 6d77be9
into
FutureSDR:mainDec 12, 2025

2 of 3 checks passed

Sign up for freeto join this conversation on GitHub.
Already have an account?
Sign in to comment

Reviewers


No reviews


Assignees


No one assigned


Labels


None yet


Projects


None yet


Milestone


No milestone


Development

Successfully merging this pull request may close these issues.

2 participants

@011000101101@bastibl

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
fix allocation of large circular buffers on unix:  - #3
Merged
bastibl merged 1 commit into
FutureSDR:mainfrom 
011000101101:main
Dec 12, 2025
Merged
fix allocation of large circular buffers on unix: #3
bastibl merged 1 commit into
FutureSDR:mainfrom 
011000101101:main
Conversation
@011000101101
@011000101101011000101101
commented
Dec 11, 2025

Copy link


Copy Markdown

Add flag to second mmap call of buffer allocation to treat address as a requirement and not as a hint.

Possible failure / fallback is covered by original verification of returned pointer.
Vincenz
fix allocation of large circular buffers on unix: add flag to second …
8672362
…mmap call of buffer allocation to treat address as a requirement and not as a hint.
@bastibl
bastibl
commented
Dec 12, 2025

Copy link


Copy Markdown

Member
Thanks, this looks like the correct flag to use on Linux. Unfortunately, it breaks macOS :-/ I guess it needs to be feature-gated. I'll give it a try.
@bastibl
bastibl
merged commit 6d77be9
into
FutureSDR:mainDec 12, 2025

2 of 3 checks passed

Sign up for freeto join this conversation on GitHub.
Already have an account?
Sign in to comment

Reviewers


No reviews


Assignees


No one assigned


Labels


None yet


Projects


None yet


Milestone


No milestone


Development

Successfully merging this pull request may close these issues.

2 participants

@011000101101@bastibl

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
fix allocation of large circular buffers on unix:  - #3
Merged
bastibl merged 1 commit into
FutureSDR:mainfrom 
011000101101:main
Dec 12, 2025
Merged
fix allocation of large circular buffers on unix: #3
bastibl merged 1 commit into
FutureSDR:mainfrom 
011000101101:main
Conversation
@011000101101
@011000101101011000101101
commented
Dec 11, 2025

Copy link


Copy Markdown

Add flag to second mmap call of buffer allocation to treat address as a requirement and not as a hint.

Possible failure / fallback is covered by original verification of returned pointer.
Vincenz
fix allocation of large circular buffers on unix: add flag to second …
8672362
…mmap call of buffer allocation to treat address as a requirement and not as a hint.
@bastibl
bastibl
commented
Dec 12, 2025

Copy link


Copy Markdown

Member
Thanks, this looks like the correct flag to use on Linux. Unfortunately, it breaks macOS :-/ I guess it needs to be feature-gated. I'll give it a try.
@bastibl
bastibl
merged commit 6d77be9
into
FutureSDR:mainDec 12, 2025

2 of 3 checks passed

Sign up for freeto join this conversation on GitHub.
Already have an account?
Sign in to comment

Reviewers


No reviews


Assignees


No one assigned


Labels


None yet


Projects


None yet


Milestone


No milestone


Development

Successfully merging this pull request may close these issues.

2 participants

@011000101101@bastibl

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

Skip to content
fix allocation of large circular buffers on unix:  - #3
Merged
bastibl merged 1 commit into
FutureSDR:mainfrom 
011000101101:main
Dec 12, 2025
Merged
fix allocation of large circular buffers on unix: #3
bastibl merged 1 commit into
FutureSDR:mainfrom 
011000101101:main
Conversation
@011000101101
@011000101101011000101101
commented
Dec 11, 2025

Copy link


Copy Markdown

Add flag to second mmap call of buffer allocation to treat address as a requirement and not as a hint.

Possible failure / fallback is covered by original verification of returned pointer.
Vincenz
fix allocation of large circular buffers on unix: add flag to second …
8672362
…mmap call of buffer allocation to treat address as a requirement and not as a hint.
@bastibl
bastibl
commented
Dec 12, 2025

Copy link


Copy Markdown

Member
Thanks, this looks like the correct flag to use on Linux. Unfortunately, it breaks macOS :-/ I guess it needs to be feature-gated. I'll give it a try.
@bastibl
bastibl
merged commit 6d77be9
into
FutureSDR:mainDec 12, 2025

2 of 3 checks passed

Sign up for freeto join this conversation on GitHub.
Already have an account?
Sign in to comment

Reviewers


No reviews


Assignees


No one assigned


Labels


None yet


Projects


None yet


Milestone


No milestone


Development

Successfully merging this pull request may close these issues.

2 participants

@011000101101@bastibl