File: ignore_lib_lib.h

package info (click to toggle)
swiftlang 6.1.3-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 2,791,532 kB
  • sloc: cpp: 9,901,743; ansic: 2,201,431; asm: 1,091,827; python: 308,252; objc: 82,166; f90: 80,126; lisp: 38,358; pascal: 25,559; sh: 20,429; ml: 5,058; perl: 4,745; makefile: 4,484; awk: 3,535; javascript: 3,018; xml: 918; fortran: 664; cs: 573; ruby: 396
file content (25 lines) | stat: -rw-r--r-- 490 bytes parent folder | download | duplicates (45) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
 
#include <pthread.h>
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>

void *volatile mem;
volatile int len;

void *Thread(void *p) {
  while ((p = __atomic_load_n(&mem, __ATOMIC_ACQUIRE)) == 0)
    usleep(100);
  memset(p, 0, len);
  return 0;
}

extern "C" void libfunc() {
  pthread_t t;
  pthread_create(&t, 0, Thread, 0);
  len = 10;
  __atomic_store_n(&mem, malloc(len), __ATOMIC_RELEASE);
  pthread_join(t, 0);
  free(mem);
  fprintf(stderr, "OK\n");
}