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Use re-entrant locks on stdio

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This commit is contained in:
Justine Tunney 2022-05-22 08:13:13 -07:00
parent 4e9662cbc7
commit 1f229e4efc
78 changed files with 427 additions and 179 deletions
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5
libc/stdio/getdelim.c
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@ -19,7 +19,6 @@
#include "libc/assert.h"
#include "libc/calls/calls.h"
#include "libc/errno.h"
#include "libc/intrin/spinlock.h"
#include "libc/macros.internal.h"
#include "libc/mem/mem.h"
#include "libc/runtime/runtime.h"
@ -87,8 +86,8 @@ static ssize_t getdelim_unlocked(char **s, size_t *n, int delim, FILE *f) {
*/
ssize_t getdelim(char **s, size_t *n, int delim, FILE *f) {
ssize_t rc;
_spinlock(&f->lock);
flockfile(f);
rc = getdelim_unlocked(s, n, delim, f);
_spunlock(&f->lock);
funlockfile(f);
return rc;
}