#include <pthread.h> int pthread_condattr_init(pthread_condattr_t *attr);Service Program Name: QP0WPTHR
The pthread_condattr_init() function initializes the condition variable attributes object specified by attr to the default attributes. The condition variable attributes object is used to create condition variables with the pthread_cond_init() function.
None.
If pthread_condattr_init() was not successful, the error condition returned usually indicates one of the following errors. Under some conditions, the value returned could indicate an error other than those listed here.
The value specified for the argument is not correct.
Note: By using the code examples, you agree to the terms of the Code license and disclaimer information.
#include <pthread.h> #include <stdio.h> #include "check.h" pthread_cond_t cond; int main(int argc, char **argv) { int rc=0; pthread_condattr_t attr; printf("Entering testcase\n"); printf("Create a default condition attribute\n"); rc = pthread_condattr_init(&attr); checkResults("pthread_condattr_init\n", rc); printf("Create the condition using the condition attributes object\n"); rc = pthread_cond_init(&cond, &attr); checkResults("pthread_cond_init()\n", rc); printf("- At this point, the condition with its default attributes\n"); printf("- Can be used from any threads that want to use it\n"); printf("Destroy cond attribute\n"); rc = pthread_condattr_destroy(&attr); checkResults("pthread_condattr_destroy()\n", rc); printf("Destroy condition\n"); rc = pthread_cond_destroy(&cond); checkResults("pthread_cond_destroy()\n", rc); printf("Main completed\n"); return 0; }
Entering testcase Create a default condition attribute Create the condition using the condition attributes object - At this point, the condition with its default attributes - Can be used from any threads that want to use it Destroy cond attribute Destroy condition Main completed
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