diff options
Diffstat (limited to 'src/thread')
-rw-r--r-- | src/thread/__timedwait.c | 9 | ||||
-rw-r--r-- | src/thread/pthread_cond_timedwait.c | 12 | ||||
-rw-r--r-- | src/thread/pthread_create.c | 21 | ||||
-rw-r--r-- | src/thread/pthread_detach.c | 8 | ||||
-rw-r--r-- | src/thread/pthread_getspecific.c | 4 | ||||
-rw-r--r-- | src/thread/pthread_join.c | 8 | ||||
-rw-r--r-- | src/thread/pthread_key_create.c | 7 | ||||
-rw-r--r-- | src/thread/pthread_mutex_lock.c | 8 | ||||
-rw-r--r-- | src/thread/pthread_mutex_timedlock.c | 4 | ||||
-rw-r--r-- | src/thread/pthread_mutex_trylock.c | 4 | ||||
-rw-r--r-- | src/thread/pthread_mutex_unlock.c | 4 | ||||
-rw-r--r-- | src/thread/pthread_once.c | 4 | ||||
-rw-r--r-- | src/thread/pthread_setcancelstate.c | 4 | ||||
-rw-r--r-- | src/thread/pthread_testcancel.c | 4 |
14 files changed, 73 insertions, 28 deletions
diff --git a/src/thread/__timedwait.c b/src/thread/__timedwait.c index d6f12331..c9ec70cf 100644 --- a/src/thread/__timedwait.c +++ b/src/thread/__timedwait.c @@ -4,6 +4,9 @@ #include "futex.h" #include "syscall.h" +int __pthread_setcancelstate(int, int *); +int __clock_gettime(clockid_t, struct timespec *); + int __timedwait(volatile int *addr, int val, clockid_t clk, const struct timespec *at, void (*cleanup)(void *), void *arg, int priv) @@ -15,7 +18,7 @@ int __timedwait(volatile int *addr, int val, if (at) { if (at->tv_nsec >= 1000000000UL) return EINVAL; - if (clock_gettime(clk, &to)) return EINVAL; + if (__clock_gettime(clk, &to)) return EINVAL; to.tv_sec = at->tv_sec - to.tv_sec; if ((to.tv_nsec = at->tv_nsec - to.tv_nsec) < 0) { to.tv_sec--; @@ -25,7 +28,7 @@ int __timedwait(volatile int *addr, int val, top = &to; } - if (!cleanup) pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &cs); + if (!cleanup) __pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &cs); pthread_cleanup_push(cleanup, arg); r = -__syscall_cp(SYS_futex, addr, FUTEX_WAIT|priv, val, top); @@ -33,7 +36,7 @@ int __timedwait(volatile int *addr, int val, if (r != EINTR && r != ETIMEDOUT) r = 0; pthread_cleanup_pop(0); - if (!cleanup) pthread_setcancelstate(cs, 0); + if (!cleanup) __pthread_setcancelstate(cs, 0); return r; } diff --git a/src/thread/pthread_cond_timedwait.c b/src/thread/pthread_cond_timedwait.c index 2d192b07..0a80d305 100644 --- a/src/thread/pthread_cond_timedwait.c +++ b/src/thread/pthread_cond_timedwait.c @@ -1,5 +1,9 @@ #include "pthread_impl.h" +void __pthread_testcancel(void); +int __pthread_mutex_lock(pthread_mutex_t *); +int __pthread_mutex_unlock(pthread_mutex_t *); + /* * struct waiter * @@ -119,7 +123,7 @@ static void unwait(void *arg) } } -int pthread_cond_timedwait(pthread_cond_t *restrict c, pthread_mutex_t *restrict m, const struct timespec *restrict ts) +int __pthread_cond_timedwait(pthread_cond_t *restrict c, pthread_mutex_t *restrict m, const struct timespec *restrict ts) { struct waiter node = { .cond = c, .mutex = m }; int e, seq, *fut, clock = c->_c_clock; @@ -130,7 +134,7 @@ int pthread_cond_timedwait(pthread_cond_t *restrict c, pthread_mutex_t *restrict if (ts && ts->tv_nsec >= 1000000000UL) return EINVAL; - pthread_testcancel(); + __pthread_testcancel(); if (c->_c_shared) { node.shared = 1; @@ -151,7 +155,7 @@ int pthread_cond_timedwait(pthread_cond_t *restrict c, pthread_mutex_t *restrict unlock(&c->_c_lock); } - pthread_mutex_unlock(m); + __pthread_mutex_unlock(m); do e = __timedwait(fut, seq, clock, ts, unwait, &node, !node.shared); while (*fut==seq && (!e || e==EINTR)); @@ -197,3 +201,5 @@ int __private_cond_signal(pthread_cond_t *c, int n) return 0; } + +weak_alias(__pthread_cond_timedwait, pthread_cond_timedwait); diff --git a/src/thread/pthread_create.c b/src/thread/pthread_create.c index e441bdac..c170a999 100644 --- a/src/thread/pthread_create.c +++ b/src/thread/pthread_create.c @@ -5,6 +5,10 @@ #include <sys/mman.h> #include <string.h> +void *__mmap(void *, size_t, int, int, int, off_t); +int __munmap(void *, size_t); +int __mprotect(void *, size_t, int); + static void dummy_0() { } @@ -14,7 +18,7 @@ weak_alias(dummy_0, __pthread_tsd_run_dtors); weak_alias(dummy_0, __do_private_robust_list); weak_alias(dummy_0, __do_orphaned_stdio_locks); -_Noreturn void pthread_exit(void *result) +_Noreturn void __pthread_exit(void *result) { pthread_t self = __pthread_self(); sigset_t set; @@ -139,7 +143,7 @@ static void init_file_lock(FILE *f) void *__copy_tls(unsigned char *); -int pthread_create(pthread_t *restrict res, const pthread_attr_t *restrict attrp, void *(*entry)(void *), void *restrict arg) +int __pthread_create(pthread_t *restrict res, const pthread_attr_t *restrict attrp, void *(*entry)(void *), void *restrict arg) { int ret; size_t size, guard; @@ -191,14 +195,14 @@ int pthread_create(pthread_t *restrict res, const pthread_attr_t *restrict attrp if (!tsd) { if (guard) { - map = mmap(0, size, PROT_NONE, MAP_PRIVATE|MAP_ANON, -1, 0); + map = __mmap(0, size, PROT_NONE, MAP_PRIVATE|MAP_ANON, -1, 0); if (map == MAP_FAILED) goto fail; - if (mprotect(map+guard, size-guard, PROT_READ|PROT_WRITE)) { - munmap(map, size); + if (__mprotect(map+guard, size-guard, PROT_READ|PROT_WRITE)) { + __munmap(map, size); goto fail; } } else { - map = mmap(0, size, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANON, -1, 0); + map = __mmap(0, size, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANON, -1, 0); if (map == MAP_FAILED) goto fail; } tsd = map + size - __pthread_tsd_size; @@ -240,7 +244,7 @@ int pthread_create(pthread_t *restrict res, const pthread_attr_t *restrict attrp if (ret < 0) { a_dec(&libc.threads_minus_1); - if (map) munmap(map, size); + if (map) __munmap(map, size); return EAGAIN; } @@ -258,3 +262,6 @@ fail: __release_ptc(); return EAGAIN; } + +weak_alias(__pthread_exit, pthread_exit); +weak_alias(__pthread_create, pthread_create); diff --git a/src/thread/pthread_detach.c b/src/thread/pthread_detach.c index 651c38eb..4e454634 100644 --- a/src/thread/pthread_detach.c +++ b/src/thread/pthread_detach.c @@ -1,11 +1,15 @@ #include "pthread_impl.h" -int pthread_detach(pthread_t t) +int __pthread_join(pthread_t, void **); + +int __pthread_detach(pthread_t t) { /* Cannot detach a thread that's already exiting */ if (a_swap(t->exitlock, 1)) - return pthread_join(t, 0); + return __pthread_join(t, 0); t->detached = 2; __unlock(t->exitlock); return 0; } + +weak_alias(__pthread_detach, pthread_detach); diff --git a/src/thread/pthread_getspecific.c b/src/thread/pthread_getspecific.c index b2a282c6..d3d09fa2 100644 --- a/src/thread/pthread_getspecific.c +++ b/src/thread/pthread_getspecific.c @@ -1,7 +1,9 @@ #include "pthread_impl.h" -void *pthread_getspecific(pthread_key_t k) +static void *__pthread_getspecific(pthread_key_t k) { struct pthread *self = __pthread_self(); return self->tsd[k]; } + +weak_alias(__pthread_getspecific, pthread_getspecific); diff --git a/src/thread/pthread_join.c b/src/thread/pthread_join.c index abd2d668..19e6b548 100644 --- a/src/thread/pthread_join.c +++ b/src/thread/pthread_join.c @@ -1,16 +1,20 @@ #include "pthread_impl.h" #include <sys/mman.h> +int __munmap(void *, size_t); + static void dummy(void *p) { } -int pthread_join(pthread_t t, void **res) +int __pthread_join(pthread_t t, void **res) { int tmp; pthread_testcancel(); while ((tmp = t->tid)) __timedwait(&t->tid, tmp, 0, 0, dummy, 0, 0); if (res) *res = t->result; - if (t->map_base) munmap(t->map_base, t->map_size); + if (t->map_base) __munmap(t->map_base, t->map_size); return 0; } + +weak_alias(__pthread_join, pthread_join); diff --git a/src/thread/pthread_key_create.c b/src/thread/pthread_key_create.c index a9187f7b..bfcd5976 100644 --- a/src/thread/pthread_key_create.c +++ b/src/thread/pthread_key_create.c @@ -9,7 +9,7 @@ static void nodtor(void *dummy) { } -int pthread_key_create(pthread_key_t *k, void (*dtor)(void *)) +int __pthread_key_create(pthread_key_t *k, void (*dtor)(void *)) { unsigned i = (uintptr_t)&k / 16 % PTHREAD_KEYS_MAX; unsigned j = i; @@ -31,7 +31,7 @@ int pthread_key_create(pthread_key_t *k, void (*dtor)(void *)) return EAGAIN; } -int pthread_key_delete(pthread_key_t k) +int __pthread_key_delete(pthread_key_t k) { keys[k] = 0; return 0; @@ -53,3 +53,6 @@ void __pthread_tsd_run_dtors() } } } + +weak_alias(__pthread_key_delete, pthread_key_delete); +weak_alias(__pthread_key_create, pthread_key_create); diff --git a/src/thread/pthread_mutex_lock.c b/src/thread/pthread_mutex_lock.c index 2a9a3aa4..d0c93cab 100644 --- a/src/thread/pthread_mutex_lock.c +++ b/src/thread/pthread_mutex_lock.c @@ -1,10 +1,14 @@ #include "pthread_impl.h" -int pthread_mutex_lock(pthread_mutex_t *m) +int __pthread_mutex_timedlock(pthread_mutex_t *restrict, const struct timespec *restrict); + +int __pthread_mutex_lock(pthread_mutex_t *m) { if ((m->_m_type&15) == PTHREAD_MUTEX_NORMAL && !a_cas(&m->_m_lock, 0, EBUSY)) return 0; - return pthread_mutex_timedlock(m, 0); + return __pthread_mutex_timedlock(m, 0); } + +weak_alias(__pthread_mutex_lock, pthread_mutex_lock); diff --git a/src/thread/pthread_mutex_timedlock.c b/src/thread/pthread_mutex_timedlock.c index ae883f90..16241eeb 100644 --- a/src/thread/pthread_mutex_timedlock.c +++ b/src/thread/pthread_mutex_timedlock.c @@ -1,6 +1,6 @@ #include "pthread_impl.h" -int pthread_mutex_timedlock(pthread_mutex_t *restrict m, const struct timespec *restrict at) +int __pthread_mutex_timedlock(pthread_mutex_t *restrict m, const struct timespec *restrict at) { if ((m->_m_type&15) == PTHREAD_MUTEX_NORMAL && !a_cas(&m->_m_lock, 0, EBUSY)) @@ -30,3 +30,5 @@ int pthread_mutex_timedlock(pthread_mutex_t *restrict m, const struct timespec * } return r; } + +weak_alias(__pthread_mutex_timedlock, pthread_mutex_timedlock); diff --git a/src/thread/pthread_mutex_trylock.c b/src/thread/pthread_mutex_trylock.c index e8515179..cb935651 100644 --- a/src/thread/pthread_mutex_trylock.c +++ b/src/thread/pthread_mutex_trylock.c @@ -50,9 +50,11 @@ int __pthread_mutex_trylock_owner(pthread_mutex_t *m) return 0; } -int pthread_mutex_trylock(pthread_mutex_t *m) +int __pthread_mutex_trylock(pthread_mutex_t *m) { if ((m->_m_type&15) == PTHREAD_MUTEX_NORMAL) return a_cas(&m->_m_lock, 0, EBUSY) & EBUSY; return __pthread_mutex_trylock_owner(m); } + +weak_alias(__pthread_mutex_trylock, pthread_mutex_trylock); diff --git a/src/thread/pthread_mutex_unlock.c b/src/thread/pthread_mutex_unlock.c index 46761d9a..a7f39c7f 100644 --- a/src/thread/pthread_mutex_unlock.c +++ b/src/thread/pthread_mutex_unlock.c @@ -3,7 +3,7 @@ void __vm_lock_impl(int); void __vm_unlock_impl(void); -int pthread_mutex_unlock(pthread_mutex_t *m) +int __pthread_mutex_unlock(pthread_mutex_t *m) { pthread_t self; int waiters = m->_m_waiters; @@ -36,3 +36,5 @@ int pthread_mutex_unlock(pthread_mutex_t *m) __wake(&m->_m_lock, 1, priv); return 0; } + +weak_alias(__pthread_mutex_unlock, pthread_mutex_unlock); diff --git a/src/thread/pthread_once.c b/src/thread/pthread_once.c index 2eb0f932..05ebe69c 100644 --- a/src/thread/pthread_once.c +++ b/src/thread/pthread_once.c @@ -6,7 +6,7 @@ static void undo(void *control) __wake(control, 1, 1); } -int pthread_once(pthread_once_t *control, void (*init)(void)) +int __pthread_once(pthread_once_t *control, void (*init)(void)) { static int waiters; @@ -34,3 +34,5 @@ int pthread_once(pthread_once_t *control, void (*init)(void)) return 0; } } + +weak_alias(__pthread_once, pthread_once); diff --git a/src/thread/pthread_setcancelstate.c b/src/thread/pthread_setcancelstate.c index 060bcdcc..2268217d 100644 --- a/src/thread/pthread_setcancelstate.c +++ b/src/thread/pthread_setcancelstate.c @@ -1,6 +1,6 @@ #include "pthread_impl.h" -int pthread_setcancelstate(int new, int *old) +int __pthread_setcancelstate(int new, int *old) { if (new > 1U) return EINVAL; if (!libc.has_thread_pointer) return ENOSYS; @@ -9,3 +9,5 @@ int pthread_setcancelstate(int new, int *old) self->canceldisable = new; return 0; } + +weak_alias(__pthread_setcancelstate, pthread_setcancelstate); diff --git a/src/thread/pthread_testcancel.c b/src/thread/pthread_testcancel.c index ba5f7c6c..ee48e6d8 100644 --- a/src/thread/pthread_testcancel.c +++ b/src/thread/pthread_testcancel.c @@ -7,7 +7,9 @@ static void dummy() weak_alias(dummy, __testcancel); -void pthread_testcancel() +void __pthread_testcancel() { __testcancel(); } + +weak_alias(__pthread_testcancel, pthread_testcancel); |