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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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3
libc/calls/dtime.c
View file

@ -16,9 +16,6 @@
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/assert.h"
#include "libc/calls/struct/timespec.h"
#include "libc/str/str.h"
#include "libc/time/time.h"
/**

2
libc/calls/g_sighandrvas.c
View file

@ -25,9 +25,11 @@ unsigned __sighandflags[NSIG];
static pthread_mutex_t __sig_lock_obj;
void(__sig_lock)(void) {
__sig_lock_obj.attr = PTHREAD_MUTEX_RECURSIVE;
pthread_mutex_lock(&__sig_lock_obj);
}
void(__sig_unlock)(void) {
__sig_lock_obj.attr = PTHREAD_MUTEX_RECURSIVE;
pthread_mutex_unlock(&__sig_lock_obj);
}