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Remove some legacy cruft

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Function trace logs will report stack usage accurately. It won't include
the argv/environ block. Our clone() polyfill is now simpler and does not
use as much stack memory. Function call tracing on x86 is now faster too
This commit is contained in:
Justine Tunney 2025-01-02 18:44:07 -08:00
parent 8db646f6b2
commit a15958edc6
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GPG key ID: BE714B4575D6E328
21 changed files with 291 additions and 467 deletions
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10
libc/intrin/sig.c
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@ -89,14 +89,14 @@ __msabi extern typeof(WriteFile) *const __imp_WriteFile;
extern pthread_mutex_t __sig_worker_lock;
HAIRY static bool __sig_ignored_by_default(int sig) {
textwindows static bool __sig_ignored_by_default(int sig) {
return sig == SIGURG || //
sig == SIGCONT || //
sig == SIGCHLD || //
sig == SIGWINCH;
}
HAIRY bool __sig_ignored(int sig) {
textwindows bool __sig_ignored(int sig) {
return __sighandrvas[sig] == (intptr_t)SIG_IGN ||
(__sighandrvas[sig] == (intptr_t)SIG_DFL &&
__sig_ignored_by_default(sig));
@ -532,14 +532,14 @@ textwindows void __sig_generate(int sig, int sic) {
}
}
HAIRY static char *__sig_stpcpy(char *d, const char *s) {
textwindows static char *__sig_stpcpy(char *d, const char *s) {
size_t i;
for (i = 0;; ++i)
if (!(d[i] = s[i]))
return d + i;
}
HAIRY wontreturn static void __sig_death(int sig, const char *thing) {
textwindows wontreturn static void __sig_death(int sig, const char *thing) {
#ifndef TINY
intptr_t hStderr;
char sigbuf[21], s[128], *p;
@ -810,7 +810,7 @@ HAIRY static uint32_t __sig_worker(void *arg) {
_pthread_mutex_unlock(&__sig_worker_lock);
Sleep(POLL_INTERVAL_MS);
}
return 0;
__builtin_unreachable();
}
__attribute__((__constructor__(10))) textstartup void __sig_init(void) {