| 1 | #include <string.h> |
| 2 | |
| 3 | #include "log.h" |
| 4 | #include "pshared.h" |
| 5 | |
| 6 | int cond_init_pshared(pthread_cond_t *cond) |
| 7 | { |
| 8 | pthread_condattr_t cattr; |
| 9 | int ret; |
| 10 | |
| 11 | ret = pthread_condattr_init(&cattr); |
| 12 | if (ret) { |
| 13 | log_err("pthread_condattr_init: %s\n", strerror(ret)); |
| 14 | return ret; |
| 15 | } |
| 16 | |
| 17 | #ifdef CONFIG_PSHARED |
| 18 | ret = pthread_condattr_setpshared(&cattr, PTHREAD_PROCESS_SHARED); |
| 19 | if (ret) { |
| 20 | log_err("pthread_condattr_setpshared: %s\n", strerror(ret)); |
| 21 | return ret; |
| 22 | } |
| 23 | #endif |
| 24 | ret = pthread_cond_init(cond, &cattr); |
| 25 | if (ret) { |
| 26 | log_err("pthread_cond_init: %s\n", strerror(ret)); |
| 27 | return ret; |
| 28 | } |
| 29 | |
| 30 | return 0; |
| 31 | } |
| 32 | |
| 33 | int mutex_init_pshared(pthread_mutex_t *mutex) |
| 34 | { |
| 35 | pthread_mutexattr_t mattr; |
| 36 | int ret; |
| 37 | |
| 38 | ret = pthread_mutexattr_init(&mattr); |
| 39 | if (ret) { |
| 40 | log_err("pthread_mutexattr_init: %s\n", strerror(ret)); |
| 41 | return ret; |
| 42 | } |
| 43 | |
| 44 | /* |
| 45 | * Not all platforms support process shared mutexes (FreeBSD) |
| 46 | */ |
| 47 | #ifdef CONFIG_PSHARED |
| 48 | ret = pthread_mutexattr_setpshared(&mattr, PTHREAD_PROCESS_SHARED); |
| 49 | if (ret) { |
| 50 | log_err("pthread_mutexattr_setpshared: %s\n", strerror(ret)); |
| 51 | return ret; |
| 52 | } |
| 53 | #endif |
| 54 | ret = pthread_mutex_init(mutex, &mattr); |
| 55 | if (ret) { |
| 56 | log_err("pthread_mutex_init: %s\n", strerror(ret)); |
| 57 | return ret; |
| 58 | } |
| 59 | |
| 60 | return 0; |
| 61 | } |
| 62 | |
| 63 | int mutex_cond_init_pshared(pthread_mutex_t *mutex, pthread_cond_t *cond) |
| 64 | { |
| 65 | int ret; |
| 66 | |
| 67 | ret = mutex_init_pshared(mutex); |
| 68 | if (ret) |
| 69 | return ret; |
| 70 | |
| 71 | ret = cond_init_pshared(cond); |
| 72 | if (ret) |
| 73 | return ret; |
| 74 | |
| 75 | return 0; |
| 76 | } |