高科的专栏

#include <string.h>#include<pthread.h>#include<sched.h>void *child_thread(void *arg){int policy = 0;int max_priority = 0,min_priority = 0;struct sched_param param;pthread_attr_t attr;pthread_attr_init(&attr);pthread_attr_setinheritsched(&attr,PTHREAD_EXPLICIT_SCHED);pthread_attr_getinheritsched(&attr,&policy);if(policy == PTHREAD_EXPLICIT_SCHED){printf("Inheritsched:PTHREAD_EXPLICIT_SCHED\n");}if(policy == PTHREAD_INHERIT_SCHED){printf("Inheritsched:PTHREAD_INHERIT_SCHED\n");}pthread_attr_setschedpolicy(&attr,SCHED_RR);pthread_attr_getschedpolicy(&attr,&policy);if(policy == SCHED_FIFO){printf("Schedpolicy:SCHED_FIFO\n");}if(policy == SCHED_RR){printf("Schedpolicy:SCHED_RR\n");}if(policy == SCHED_OTHER){printf("Schedpolicy:SCHED_OTHER\n");}max_priority = sched_get_priority_max(policy);min_priority = sched_get_priority_min(policy);printf("Maxpriority:%u\n",max_priority);printf("Minpriority:%u\n",min_priority);param.sched_priority = max_priority;pthread_attr_setschedparam(&attr,&param);printf("sched_priority:%u\n",param.sched_priority);pthread_attr_destroy(&attr);}int main(int argc,char *argv[ ]){pthread_t child_thread_id;pthread_create(&child_thread_id,NULL,child_thread,NULL);pthread_join(child_thread_id,NULL);}

==[23]==gaoke@dev64_23:~/code$g++ -o test gaoke.cpp -lpthread==[23]==gaoke@dev64_23:~/code$./testInheritsched:PTHREAD_EXPLICIT_SCHEDSchedpolicy:SCHED_RRMaxpriority:99Minpriority:1sched_priority:99

，因为在路上你就已经收获了自由自在的好心情。