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Message-Id: <20230620143703.1415-4-luoyonggang@gmail.com>
Date: Tue, 20 Jun 2023 22:37:01 +0800
From: Yonggang Luo <luoyonggang@...il.com>
To: Jens Gustedt <jens.gustedt@...ia.fr>,
enh <enh@...gle.com>,
musl@...ts.openwall.com
Cc: Yonggang Luo <luoyonggang@...il.com>
Subject: [PATCH v3 3/5] add pthread_mutex_clocklock and pthread_cond_clockdwait
These two functions are already implemented in glibc, android bionic libc, qnx libc
Signed-off-by: Yonggang Luo <luoyonggang@...il.com>
---
compat/time32/pthread_cond_clockwait_time32.c | 9 +++++++++
compat/time32/pthread_mutex_clocklock_time32.c | 9 +++++++++
compat/time32/time32.h | 2 ++
include/pthread.h | 4 ++++
src/include/pthread.h | 2 ++
src/thread/pthread_cond_clockwait.c | 8 ++++----
src/thread/pthread_cond_timedwait.c | 9 +++++++++
src/thread/pthread_mutex_clocklock.c | 12 ++++++------
src/thread/pthread_mutex_timedlock.c | 8 ++++++++
9 files changed, 53 insertions(+), 10 deletions(-)
create mode 100644 compat/time32/pthread_cond_clockwait_time32.c
create mode 100644 compat/time32/pthread_mutex_clocklock_time32.c
create mode 100644 src/thread/pthread_cond_timedwait.c
create mode 100644 src/thread/pthread_mutex_timedlock.c
diff --git a/compat/time32/pthread_cond_clockwait_time32.c b/compat/time32/pthread_cond_clockwait_time32.c
new file mode 100644
index 00000000..615473b1
--- /dev/null
+++ b/compat/time32/pthread_cond_clockwait_time32.c
@@ -0,0 +1,9 @@
+#include "time32.h"
+#include <time.h>
+#include <pthread.h>
+
+int __pthread_cond_clockwait_time32(pthread_cond_t *restrict c, pthread_mutex_t *restrict m, clockid_t clock, const struct timespec32 *restrict ts32)
+{
+ return pthread_cond_clockwait(c, m, clock, !ts32 ? 0 : (&(struct timespec){
+ .tv_sec = ts32->tv_sec, .tv_nsec = ts32->tv_nsec}));
+}
diff --git a/compat/time32/pthread_mutex_clocklock_time32.c b/compat/time32/pthread_mutex_clocklock_time32.c
new file mode 100644
index 00000000..d54e85a7
--- /dev/null
+++ b/compat/time32/pthread_mutex_clocklock_time32.c
@@ -0,0 +1,9 @@
+#include "time32.h"
+#include <time.h>
+#include <pthread.h>
+
+int __pthread_mutex_clocklock_time32(pthread_mutex_t *restrict m, clockid_t clk, const struct timespec32 *restrict ts32)
+{
+ return pthread_mutex_clocklock(m, clk, !ts32 ? 0 : (&(struct timespec){
+ .tv_sec = ts32->tv_sec, .tv_nsec = ts32->tv_nsec}));
+}
diff --git a/compat/time32/time32.h b/compat/time32/time32.h
index fdec17c3..1267f255 100644
--- a/compat/time32/time32.h
+++ b/compat/time32/time32.h
@@ -59,7 +59,9 @@ int __mtx_timedlock_time32() __asm__("mtx_timedlock");
int __nanosleep_time32() __asm__("nanosleep");
int __ppoll_time32() __asm__("ppoll");
int __pselect_time32() __asm__("pselect");
+int __pthread_cond_clockwait_time32() __asm__("pthread_cond_clockwait");
int __pthread_cond_timedwait_time32() __asm__("pthread_cond_timedwait");
+int __pthread_mutex_clocklock_time32() __asm__("pthread_mutex_clocklock");
int __pthread_mutex_timedlock_time32() __asm__("pthread_mutex_timedlock");
int __pthread_rwlock_timedrdlock_time32() __asm__("pthread_rwlock_timedrdlock");
int __pthread_rwlock_timedwrlock_time32() __asm__("pthread_rwlock_timedwrlock");
diff --git a/include/pthread.h b/include/pthread.h
index 89fd9ff7..7fb2d162 100644
--- a/include/pthread.h
+++ b/include/pthread.h
@@ -107,6 +107,7 @@ int pthread_mutex_init(pthread_mutex_t *__restrict, const pthread_mutexattr_t *_
int pthread_mutex_lock(pthread_mutex_t *);
int pthread_mutex_unlock(pthread_mutex_t *);
int pthread_mutex_trylock(pthread_mutex_t *);
+int pthread_mutex_clocklock(pthread_mutex_t *__restrict, clockid_t, const struct timespec *__restrict);
int pthread_mutex_timedlock(pthread_mutex_t *__restrict, const struct timespec *__restrict);
int pthread_mutex_destroy(pthread_mutex_t *);
int pthread_mutex_consistent(pthread_mutex_t *);
@@ -117,6 +118,7 @@ int pthread_mutex_setprioceiling(pthread_mutex_t *__restrict, int, int *__restri
int pthread_cond_init(pthread_cond_t *__restrict, const pthread_condattr_t *__restrict);
int pthread_cond_destroy(pthread_cond_t *);
int pthread_cond_wait(pthread_cond_t *__restrict, pthread_mutex_t *__restrict);
+int pthread_cond_clockwait(pthread_cond_t *__restrict, pthread_mutex_t *__restrict, clockid_t, const struct timespec *__restrict);
int pthread_cond_timedwait(pthread_cond_t *__restrict, pthread_mutex_t *__restrict, const struct timespec *__restrict);
int pthread_cond_broadcast(pthread_cond_t *);
int pthread_cond_signal(pthread_cond_t *);
@@ -229,7 +231,9 @@ int pthread_timedjoin_np(pthread_t, void **, const struct timespec *);
#endif
#if _REDIR_TIME64
+__REDIR(pthread_mutex_clocklock, __pthread_mutex_clocklock_time64);
__REDIR(pthread_mutex_timedlock, __pthread_mutex_timedlock_time64);
+__REDIR(pthread_cond_clockwait, __pthread_cond_clockwait_time64);
__REDIR(pthread_cond_timedwait, __pthread_cond_timedwait_time64);
__REDIR(pthread_rwlock_timedrdlock, __pthread_rwlock_timedrdlock_time64);
__REDIR(pthread_rwlock_timedwrlock, __pthread_rwlock_timedwrlock_time64);
diff --git a/src/include/pthread.h b/src/include/pthread.h
index 7167d3e1..d7fe7974 100644
--- a/src/include/pthread.h
+++ b/src/include/pthread.h
@@ -12,9 +12,11 @@ hidden int __pthread_join(pthread_t, void **);
hidden int __pthread_mutex_lock(pthread_mutex_t *);
hidden int __pthread_mutex_trylock(pthread_mutex_t *);
hidden int __pthread_mutex_trylock_owner(pthread_mutex_t *);
+hidden int __pthread_mutex_clocklock(pthread_mutex_t *restrict, clockid_t, const struct timespec *restrict);
hidden int __pthread_mutex_timedlock(pthread_mutex_t *restrict, const struct timespec *restrict);
hidden int __pthread_mutex_unlock(pthread_mutex_t *);
hidden int __private_cond_signal(pthread_cond_t *, int);
+hidden int __pthread_cond_clockwait(pthread_cond_t *restrict, pthread_mutex_t *restrict, clockid_t, const struct timespec *restrict);
hidden int __pthread_cond_timedwait(pthread_cond_t *restrict, pthread_mutex_t *restrict, const struct timespec *restrict);
hidden int __pthread_key_create(pthread_key_t *, void (*)(void *));
hidden int __pthread_key_delete(pthread_key_t);
diff --git a/src/thread/pthread_cond_clockwait.c b/src/thread/pthread_cond_clockwait.c
index c5b35a6c..4d178c27 100644
--- a/src/thread/pthread_cond_clockwait.c
+++ b/src/thread/pthread_cond_clockwait.c
@@ -59,10 +59,10 @@ enum {
LEAVING,
};
-int __pthread_cond_timedwait(pthread_cond_t *restrict c, pthread_mutex_t *restrict m, const struct timespec *restrict ts)
+int __pthread_cond_clockwait(pthread_cond_t *restrict c, pthread_mutex_t *restrict m, clockid_t clk, const struct timespec *restrict ts)
{
struct waiter node = { 0 };
- int e, seq, clock = c->_c_clock, cs, shared=0, oldstate, tmp;
+ int e, seq, cs, shared=0, oldstate, tmp;
volatile int *fut;
if ((m->_m_type&15) && (m->_m_lock&INT_MAX) != __pthread_self()->tid)
@@ -97,7 +97,7 @@ int __pthread_cond_timedwait(pthread_cond_t *restrict c, pthread_mutex_t *restri
__pthread_setcancelstate(PTHREAD_CANCEL_MASKED, &cs);
if (cs == PTHREAD_CANCEL_DISABLE) __pthread_setcancelstate(cs, 0);
- do e = __timedwait_cp(fut, seq, clock, ts, !shared);
+ do e = __timedwait_cp(fut, seq, clk, ts, !shared);
while (*fut==seq && (!e || e==EINTR));
if (e == EINTR) e = 0;
@@ -210,4 +210,4 @@ int __private_cond_signal(pthread_cond_t *c, int n)
return 0;
}
-weak_alias(__pthread_cond_timedwait, pthread_cond_timedwait);
+weak_alias(__pthread_cond_clockwait, pthread_cond_clockwait);
diff --git a/src/thread/pthread_cond_timedwait.c b/src/thread/pthread_cond_timedwait.c
new file mode 100644
index 00000000..da803df7
--- /dev/null
+++ b/src/thread/pthread_cond_timedwait.c
@@ -0,0 +1,9 @@
+#include "pthread_impl.h"
+
+int __pthread_cond_timedwait(pthread_cond_t *restrict c, pthread_mutex_t *restrict m, const struct timespec *restrict ts)
+{
+ int clock = c->_c_clock;
+ return __pthread_cond_clockwait(c, m, clock, ts);
+}
+
+weak_alias(__pthread_cond_timedwait, pthread_cond_timedwait);
diff --git a/src/thread/pthread_mutex_clocklock.c b/src/thread/pthread_mutex_clocklock.c
index 87f89287..4a0a945f 100644
--- a/src/thread/pthread_mutex_clocklock.c
+++ b/src/thread/pthread_mutex_clocklock.c
@@ -18,7 +18,7 @@ static int __futex4(volatile void *addr, int op, int val, const struct timespec
return __syscall(SYS_futex, addr, op, val, to);
}
-static int pthread_mutex_timedlock_pi(pthread_mutex_t *restrict m, const struct timespec *restrict at)
+static int pthread_mutex_timedlock_pi(pthread_mutex_t *restrict m, clockid_t clk, const struct timespec *restrict at)
{
int type = m->_m_type;
int priv = (type & 128) ^ 128;
@@ -48,12 +48,12 @@ static int pthread_mutex_timedlock_pi(pthread_mutex_t *restrict m, const struct
case EDEADLK:
if ((type&3) == PTHREAD_MUTEX_ERRORCHECK) return e;
}
- do e = __timedwait(&(int){0}, 0, CLOCK_REALTIME, at, 1);
+ do e = __timedwait(&(int){0}, 0, clk, at, 1);
while (e != ETIMEDOUT);
return e;
}
-int __pthread_mutex_timedlock(pthread_mutex_t *restrict m, const struct timespec *restrict at)
+int __pthread_mutex_clocklock(pthread_mutex_t *restrict m, clockid_t clk, const struct timespec *restrict at)
{
if ((m->_m_type&15) == PTHREAD_MUTEX_NORMAL
&& !a_cas(&m->_m_lock, 0, EBUSY))
@@ -65,7 +65,7 @@ int __pthread_mutex_timedlock(pthread_mutex_t *restrict m, const struct timespec
r = __pthread_mutex_trylock(m);
if (r != EBUSY) return r;
- if (type&8) return pthread_mutex_timedlock_pi(m, at);
+ if (type&8) return pthread_mutex_timedlock_pi(m, clk, at);
int spins = 100;
while (spins-- && m->_m_lock && !m->_m_waiters) a_spin();
@@ -82,11 +82,11 @@ int __pthread_mutex_timedlock(pthread_mutex_t *restrict m, const struct timespec
a_inc(&m->_m_waiters);
t = r | 0x80000000;
a_cas(&m->_m_lock, r, t);
- r = __timedwait(&m->_m_lock, t, CLOCK_REALTIME, at, priv);
+ r = __timedwait(&m->_m_lock, t, clk, at, priv);
a_dec(&m->_m_waiters);
if (r && r != EINTR) break;
}
return r;
}
-weak_alias(__pthread_mutex_timedlock, pthread_mutex_timedlock);
+weak_alias(__pthread_mutex_clocklock, pthread_mutex_clocklock);
diff --git a/src/thread/pthread_mutex_timedlock.c b/src/thread/pthread_mutex_timedlock.c
new file mode 100644
index 00000000..14a87065
--- /dev/null
+++ b/src/thread/pthread_mutex_timedlock.c
@@ -0,0 +1,8 @@
+#include "pthread_impl.h"
+
+int __pthread_mutex_timedlock(pthread_mutex_t *restrict m, const struct timespec *restrict at)
+{
+ return __pthread_mutex_clocklock(m, CLOCK_REALTIME, at);
+}
+
+weak_alias(__pthread_mutex_timedlock, pthread_mutex_timedlock);
--
2.39.0.windows.1
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