有什么方法可以在Linux中设置线程的名称?
发布于 2018-03-15 16:47:45
从glibc v2.12开始,你可以使用pthread_setname_np
和pthread_getname_np
设置/获取线程名称。
这些接口在一些其他POSIX系统(BSD,QNX,Mac)上可用,形式稍有不同。
设置名称就像这样:
#include <pthread.h> // or maybe <pthread_np.h> for some OSes
// Linux
int pthread_setname_np(pthread_t thread, const char *name);
// NetBSD: name + arg work like printf(name, arg)
int pthread_setname_np(pthread_t thread, const char *name, void *arg);
// FreeBSD & OpenBSD: function name is slightly different, and has no return value
void pthread_set_name_np(pthread_t tid, const char *name);
// Mac OS X: must be set from within the thread (can't specify thread ID)
int pthread_setname_np(const char*);
你还可以这样用:
#include <pthread.h> // or <pthread_np.h> ?
// Linux, NetBSD:
int pthread_getname_np(pthread_t th, char *buf, size_t len);
// some implementations don't have a safe buffer (see MKS/IBM below)
int pthread_getname_np(pthread_t thread, const char **name);
int pthread_getname_np(pthread_t thread, char *name);
// FreeBSD & OpenBSD: dont' seem to have getname/get_name equivalent?
// but I'd imagine there's some other mechanism to read it directly for say gdb
// Mac OS X:
int pthread_getname_np(pthread_t, char*, size_t);
https://stackoverflow.com/questions/-100003624
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