OpenMP 线程互斥锁
omp_init_lock??????????????? omp_destroy_lock???????????? omp_set_lock?????????????? omp_unset_lock???????????????? omp_test_lock??????????????? ????? ????? ????? ???? ????????????????????????????????????????????? ?????????????????????????????????????? ?????????????????????????????????? ??????????? ????????????????????????????????? ???????????????? OpenMP ?????????????????????
发布日期：2025-04-29 02:53:20
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本文共 1719 字，大约阅读时间需要 5 分钟。
OpenMP ?????????
OpenMP?????????????????????????????????????????????? OpenMP ???????????????????????????????? OpenMP ???????
OpenMP ??????
OpenMP ????????????
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OpenMP ????????
????????????????? OpenMP ?????????
#include#include static omp_lock_t lock;void putMes(int i) { std::cout << i << ":AA" << std::endl; omp_set_lock(&lock); sleep(1); std::cout << i << ":BB1" << std::endl; sleep(1); std::cout << i << ":BB2" << std::endl; omp_unset_lock(&lock);}int main() { omp_init_lock(&lock); #pragma omp parallel for for (int i = 0; i < 4; ++i) { putMes(omp_get_thread_num()); } omp_destroy_lock(&lock); return 0;}
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omp_init_lock(&lock); ????????????????????#pragma omp parallel for ????????????????????putMes ?????????????????????????????omp_destroy_lock(&lock); ?????????????????
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1:AA2:BB12:BB23:BB13:BB24:BB14:BB2
???????????????????????????????????? OpenMP ???????
OpenMP ????????
???????OpenMP ??????????????????????
?????? OpenMP ??????????????????????
OpenMP ???????
??????????? OpenMP ??????????????????????
omp_set_lock ? omp_unset_lock ??? omp_test_lock????????????????????? OpenMP ???????????????????
OpenMP ????
OpenMP ?? OpenMP ?????????????????????????????? OpenMP ????????????????????????????????????????
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[***.217.46.12]2026年06月09日 18时17分31秒
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