diff options
author | sanine <sanine.not@pm.me> | 2022-08-27 23:52:56 -0500 |
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committer | sanine <sanine.not@pm.me> | 2022-08-27 23:52:56 -0500 |
commit | a4dd0ad63c00f4dee3b86dfd3075d1d61b2b3180 (patch) | |
tree | 13bd5bfa15e6fea2a12f176bae79adf9c6fd0933 /3rdparty/plibsys/src/pcondvariable-posix.c | |
parent | bde3e4f1bb7b8f8abca0884a7d994ee1c17a66b1 (diff) |
add plibsys
Diffstat (limited to '3rdparty/plibsys/src/pcondvariable-posix.c')
-rw-r--r-- | 3rdparty/plibsys/src/pcondvariable-posix.c | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/3rdparty/plibsys/src/pcondvariable-posix.c b/3rdparty/plibsys/src/pcondvariable-posix.c new file mode 100644 index 0000000..54d7682 --- /dev/null +++ b/3rdparty/plibsys/src/pcondvariable-posix.c @@ -0,0 +1,121 @@ +/* + * The MIT License + * + * Copyright (C) 2010-2016 Alexander Saprykin <saprykin.spb@gmail.com> + * + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files (the + * 'Software'), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sublicense, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY + * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +#include "pmem.h" +#include "pcondvariable.h" + +#include <stdlib.h> +#include <string.h> +#include <time.h> +#include <pthread.h> + +struct PCondVariable_ { + pthread_cond_t hdl; +}; + +P_LIB_API PCondVariable * +p_cond_variable_new (void) +{ + PCondVariable *ret; + + if (P_UNLIKELY ((ret = p_malloc0 (sizeof (PCondVariable))) == NULL)) { + P_ERROR ("PCondVariable::p_cond_variable_new: failed to allocate memory"); + return NULL; + } + + if (P_UNLIKELY (pthread_cond_init (&ret->hdl, NULL) != 0)) { + P_ERROR ("PCondVariable::p_cond_variable_new: failed to initialize"); + p_free (ret); + return NULL; + } + + return ret; +} + +P_LIB_API void +p_cond_variable_free (PCondVariable *cond) +{ + if (P_UNLIKELY (cond == NULL)) + return; + + if (P_UNLIKELY (pthread_cond_destroy (&cond->hdl) != 0)) + P_WARNING ("PCondVariable::p_cond_variable_free: pthread_cond_destroy() failed"); + + p_free (cond); +} + +P_LIB_API pboolean +p_cond_variable_wait (PCondVariable *cond, + PMutex *mutex) +{ + if (P_UNLIKELY (cond == NULL || mutex == NULL)) + return FALSE; + + /* Cast is eligible since there is only one field in the PMutex structure */ + if (P_UNLIKELY (pthread_cond_wait (&cond->hdl, (pthread_mutex_t *) mutex) != 0)) { + P_ERROR ("PCondVariable::p_cond_variable_wait: pthread_cond_wait() failed"); + return FALSE; + } + + return TRUE; +} + +P_LIB_API pboolean +p_cond_variable_signal (PCondVariable *cond) +{ + if (P_UNLIKELY (cond == NULL)) + return FALSE; + + if (P_UNLIKELY (pthread_cond_signal (&cond->hdl) != 0)) { + P_ERROR ("PCondVariable::p_cond_variable_signal: pthread_cond_signal() failed"); + return FALSE; + } + + return TRUE; +} + +P_LIB_API pboolean +p_cond_variable_broadcast (PCondVariable *cond) +{ + if (P_UNLIKELY (cond == NULL)) + return FALSE; + + if (P_UNLIKELY (pthread_cond_broadcast (&cond->hdl) != 0)) { + P_ERROR ("PCondVariable::p_cond_variable_broadcast: thread_cond_broadcast() failed"); + return FALSE; + } + + return TRUE; +} + +void +p_cond_variable_init (void) +{ +} + +void +p_cond_variable_shutdown (void) +{ +} |