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pthread_attr_init(&attr);
pthread_attr_setscope(&attr, PTHREAD_SCOPE_PROCESS);
pthread_attr_setstacksize(&attr,512);
if(pthread_create(&tid,&attr, func, (void *)arg))
{
perror("error pthread_create");
}
我都这样子了,可线程开到307之后就报 error pthread_create: Cannot allocate memory这个错误
我用 ulimit -a 查看
core file size (blocks, -c) 0
data seg size (kbytes, -d) unlimited
scheduling priority (-e) 0
file size (blocks, -f) unlimited
pending signals (-i) 16379
max locked memory (kbytes, -l) 32
max memory size (kbytes, -m) unlimited
open files (-n) 1024
pipe size (512 bytes, -p) 8
POSIX message queues (bytes, -q) 819200
real-time priority (-r) 0
stack size (kbytes, -s) 10240
cpu time (seconds, -t) unlimited
max user processes (-u) 16379
virtual memory (kbytes, -v) unlimited
file locks (-x) unlimited
然后用 ulimit -s 1024
core file size (blocks, -c) 0
data seg size (kbytes, -d) unlimited
scheduling priority (-e) 0
file size (blocks, -f) unlimited
pending signals (-i) 16379
max locked memory (kbytes, -l) 32
max memory size (kbytes, -m) unlimited
open files (-n) 1024
pipe size (512 bytes, -p) 8
POSIX message queues (bytes, -q) 819200
real-time priority (-r) 0
stack size (kbytes, -s) 1024
cpu time (seconds, -t) unlimited
max user processes (-u) 16379
virtual memory (kbytes, -v) unlimited
file locks (-x) unlimited
=========================================================
最后还是307个线程就报 error pthread_create: Cannot allocate memory这个错误
我要达到3100个那不是做梦?? |
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