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libc/pthread: Implement pthread_condattr_[g|s]etclock

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Reference:
https: //pubs.opengroup.org/onlinepubs/009695399/functions/pthread_condattr_setclock.html

Change-Id: I19c15d5f219fcf28dbfeb2e5a1e3fc7b38ba2259
Signed-off-by: chao.an <anchao@xiaomi.com>
This commit is contained in:
chao.an
2020-08-12 17:45:35 +08:00
committed by Abdelatif Guettouche
parent 79d476e423
commit 7ce2b3fa74
7 changed files with 148 additions and 6 deletions
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include/pthread.h
+13 -3
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@@ -270,14 +270,20 @@ typedef pid_t pthread_t;
#define __PTHREAD_T_DEFINED 1
#endif
struct pthread_condattr_s
{
clockid_t clockid;
};
#ifndef __PTHREAD_CONDATTR_T_DEFINED
typedef int pthread_condattr_t;
typedef struct pthread_condattr_s pthread_condattr_t;
#define __PTHREAD_CONDATTR_T_DEFINED 1
#endif
struct pthread_cond_s
{
sem_t sem;
clockid_t clockid;
};
#ifndef __PTHREAD_COND_T_DEFINED
@@ -285,7 +291,7 @@ typedef struct pthread_cond_s pthread_cond_t;
#define __PTHREAD_COND_T_DEFINED 1
#endif
#define PTHREAD_COND_INITIALIZER {SEM_INITIALIZER(0)}
#define PTHREAD_COND_INITIALIZER {SEM_INITIALIZER(0), CLOCK_REALTIME }
struct pthread_mutexattr_s
{
@@ -607,6 +613,10 @@ int pthread_mutex_consistent(FAR pthread_mutex_t *mutex);
int pthread_condattr_init(FAR pthread_condattr_t *attr);
int pthread_condattr_destroy(FAR pthread_condattr_t *attr);
int pthread_condattr_getclock(FAR const pthread_condattr_t *attr,
clockid_t *clock_id);
int pthread_condattr_setclock(FAR pthread_condattr_t *attr,
clockid_t clock_id);
/* A thread can create and delete condition variables. */
@@ -739,7 +749,7 @@ typedef pid_t pthread_t;
#endif
#ifndef __PTHREAD_CONDATTR_T_DEFINED
typedef int pthread_condattr_t;
typedef struct pthread_condattr_s pthread_condattr_t;
# define __PTHREAD_CONDATTR_T_DEFINED 1
#endif