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標題: linux下wcc使用_beginthread段錯誤 [打印本頁]

作者: 會當凌絕頂聰 時間: 2013-12-05 10:40
標題: linux下wcc使用_beginthread段錯誤

#include <stdio.h>
#include <stdlib.h>
#include <stddef.h>
#include <malloc.h>
#include <unistd.h>
#include <string.h>
#include <process.h>

void child(void *args)
{
printf("----------------------5\n");
_endthread();
}

void main() {
char *stack= NULL;
int tid;
void *child_pointer = child;
printf("----------------------1\n");
stack = (char *) malloc( 8192 );

printf("----------------------3 stack:%p\n",stack);
tid = _beginthread( child_pointer, NULL, 0, NULL);
sleep (1);
printf("----------------------4\n");
printf("Thread ID = %x\n", tid);

}

作者: 會當凌絕頂聰 時間: 2013-12-05 10:41
程序跟蹤信息
7388  15:36:01.503157 execve("./watcom_thread", ["./watcom_thread"], [/* 57 vars */]) = 0 <0.000555>
7388  15:36:01.504034 brk(0)          = 0x82b2000 <0.000012>
7388  15:36:01.504118 brk(0x82b3000) = 0x82b3000 <0.000014>
7388  15:36:01.504180 ioctl(1, SNDCTL_TMR_TIMEBASE or TCGETS, {B38400 opost isig icanon echo ...}) = 0 <0.000016>
7388  15:36:01.504264 write(1, "----------------------1\n", 24) = 24 <0.000018>
7388  15:36:01.504324 brk(0x82b5000) = 0x82b5000 <0.000011>
7388  15:36:01.504381 write(1, "----------------------3 stack:082b2248\n", 39) = 39 <0.000012>
7388  15:36:01.504444 clone(child_stack=0x82b3248, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|SIGCHLD) = 7389 <0.000031>
7388  15:36:01.504518 write(1, "----------------------4\n", 24) = 24 <0.000012>
7388  15:36:01.504575 write(1, "Thread ID = 1cdd\n", 17) = 17 <0.000012>
7388  15:36:01.504703 _exit(17)       = ?
7389  15:36:01.504779 --- SIGSEGV (Segmentation fault) @ 0 (0) ---

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