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Get threads working on all platforms

Browse source 
We now have a high-quality clone() implementation for creating
lightweight threads on Linux/Windows/FreeBSD/NetBSD/OpenBSD.
This commit is contained in:
Justine Tunney 2022-05-12 17:52:13 -07:00
parent 4e62cefa6e
commit fec396037a
43 changed files with 850 additions and 532 deletions
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8
libc/log/showcrashreports.c
View file

@ -19,8 +19,6 @@
#include "libc/calls/sigbits.h"
#include "libc/calls/struct/sigaction.h"
#include "libc/calls/struct/sigaltstack.h"
#include "libc/intrin/kprintf.h"
#include "libc/log/backtrace.internal.h"
#include "libc/log/internal.h"
#include "libc/log/log.h"
#include "libc/macros.internal.h"
@ -35,10 +33,6 @@ STATIC_YOINK("__get_symbol_by_addr"); /* for asan memory origin */
extern const unsigned char __oncrash_thunks[8][11];
static void FreeSigaltstack(void *p) {
free(p);
}
/**
* Installs crash signal handlers.
*
@ -73,7 +67,7 @@ void ShowCrashReports(void) {
ss.ss_flags = 0;
ss.ss_size = SIGSTKSZ;
ss.ss_sp = malloc(SIGSTKSZ);
__cxa_atexit(FreeSigaltstack, ss.ss_sp, 0);
__cxa_atexit(free, ss.ss_sp, 0);
sa.sa_flags = SA_SIGINFO | SA_NODEFER | SA_ONSTACK;
sigfillset(&sa.sa_mask);
for (i = 0; i < ARRAYLEN(kCrashSigs); ++i) {