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htl: Add pshared semaphore support

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The implementation is extremely similar to the nptl implementation, but
with slight differences in the futex interface. This fixes some of BZ
25521.
This commit is contained in:
Samuel Thibault
2020-12-13 15:14:40 +00:00
parent 644d98ec4d
commit c8f9421298
11 changed files with 286 additions and 185 deletions
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10
sysdeps/htl/sem-init.c
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@@ -24,12 +24,6 @@
int
__sem_init (sem_t *sem, int pshared, unsigned value)
{
if (pshared != 0)
{
errno = EOPNOTSUPP;
return -1;
}
#ifdef SEM_VALUE_MAX
if (value > SEM_VALUE_MAX)
{
@@ -38,7 +32,9 @@ __sem_init (sem_t *sem, int pshared, unsigned value)
}
#endif
*sem = (sem_t) __SEMAPHORE_INITIALIZER (pshared, value);
struct new_sem *isem = (struct new_sem *) sem;
*isem = (struct new_sem) __SEMAPHORE_INITIALIZER (value, pshared);
return 0;
}