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Make improvements to locking

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This change makes pthread_mutex_lock() as fast as _spinlock() by
default. Thread instability issues on NetBSD have been resolved.
Improvements made to gdtoa thread code. Crash reporting will now
synchronize between threads in a slightly better way.
This commit is contained in:
Justine Tunney 2022-06-19 01:13:03 -07:00
parent 25041b8026
commit d5312b60f7
60 changed files with 890 additions and 629 deletions
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9
libc/log/showcrashreports.c
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@ -30,9 +30,12 @@
#include "libc/sysv/consts/sig.h"
#include "libc/sysv/consts/ss.h"
STATIC_YOINK("__die"); /* for backtracing */
STATIC_YOINK("malloc_inspect_all"); /* for asan memory origin */
STATIC_YOINK("__get_symbol_by_addr"); /* for asan memory origin */
STATIC_YOINK("__die"); // for backtracing
STATIC_YOINK("ShowBacktrace"); // for backtracing
STATIC_YOINK("GetSymbolTable"); // for backtracing
STATIC_YOINK("PrintBacktraceUsingSymbols"); // for backtracing
STATIC_YOINK("malloc_inspect_all"); // for asan memory origin
STATIC_YOINK("__get_symbol_by_addr"); // for asan memory origin
extern const unsigned char __oncrash_thunks[8][11];
static struct sigaltstack g_oldsigaltstack;