tident.c

linux下多线程程序设计,包括signals,mutex,simple_once

/********************************************************
 * An example source module to accompany...
 *
 * "Using POSIX Threads: Programming with Pthreads"
 *     by Brad nichols, Dick Buttlar, Jackie Farrell
 *     O'Reilly & Associates, Inc.
 *
 ********************************************************
 * ident.c
 *
 * Demonstrate use of pthread_self() and pthread_equal()
 */

#include <stdio.h>
#include <pthread.h>

pthread_t io_thread;

void * io_routine(void *notused)
{
	pthread_t thread;
	
	thread = pthread_self();
	if (pthread_equal(io_thread, thread)) 
		printf("hey it is me!\n");
	else 
		printf("thats\' not me!\n");
	
	return(NULL);
}

main(void)
{
	extern pthread_t io_thread;
	
	pthread_create(&io_thread, NULL,  io_routine, NULL);
	
	pthread_join(io_thread, NULL);
}