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Make locks more reliable

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This change switches most of the core locks to be re-entrant, in order
to reduce the chance of deadlocking code that does, clever things with
asynchronous signal handlers. This change implements it it in pthreads
so we're one step closer to having a standardized threading primitives
This commit is contained in:
Justine Tunney 2022-06-11 01:59:26 -07:00
parent 5ea618f0af
commit c260345e06
35 changed files with 369 additions and 258 deletions
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test/libc/runtime/mmap_test.c
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@ -223,7 +223,6 @@ TEST(mmap, cow) {
char *p;
char path[PATH_MAX];
sprintf(path, "%s%s.%ld", kTmpPath, program_invocation_short_name, lemur64());
kprintf("path = %#s\n", path);
ASSERT_NE(-1, (fd = open(path, O_CREAT | O_TRUNC | O_RDWR, 0644)));
EXPECT_EQ(5, write(fd, "hello", 5));
EXPECT_NE(-1, fdatasync(fd));