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  • Committer: Package Import Robot
  • Author(s): Simon Richter
  • Date: 2013-05-03 14:01:37 UTC
  • mfrom: (1.1.1)
  • Revision ID: package-import@ubuntu.com-20130503140137-jmevik7bws88ya2b
Tags: 0.1.2-1
New upstream release

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tests/common.c
 
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#ifdef HAVE_CONFIG_H
 
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#include <config.h>
 
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#endif
 
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#define _GNU_SOURCE 1
 
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#include <stdlib.h>
 
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#include <stdio.h>
 
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#include <string.h>
 
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#include <unistd.h>
 
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#include <sys/types.h>
 
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#include <sys/wait.h>
 
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int test_main(void);
 
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int main(int argc, char **argv, char **envp)
 
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{
 
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        (void)argc;
 
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        char const *preload = getenv("LD_PRELOAD");
 
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        if(!preload || !strstr(preload, "mutextrace.so"))
 
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        {
 
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                int fds[2];
 
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                int rc = pipe(fds);
 
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                if(rc == -1)
 
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                {
 
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                        perror("pipe()");
 
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                        return 1;
 
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                }
 
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                pid_t child = fork();
 
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                if(child == -1)
 
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                {
 
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                        perror("fork()");
 
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                        return 1;
 
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                }
 
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                if(child == 0)
 
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                {
 
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                        dup2(STDERR_FILENO, fds[1]);
 
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                        close(fds[0]);
 
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                        close(fds[1]);
 
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                        char const *wrapper = "mutextrace";
 
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                        char *const new_argv[] =
 
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                        {
 
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                                (char *)wrapper,
 
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                                argv[0],
 
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                                0
 
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                        };
 
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                        execve(wrapper, new_argv, envp);
 
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                        _exit(1);
 
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                }
 
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                else
 
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                {
 
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                        close(fds[1]);
 
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                        char buffer[64];
 
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                        ssize_t count;
 
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                        while((count = read(fds[0], buffer, sizeof buffer)) > 0)
 
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                        {
 
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                                write(STDERR_FILENO, buffer, count);
 
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                        }
 
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                        int status;
 
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                        waitpid(child, &status, 0);
 
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                        return status;
 
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                }
 
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        }
 
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        else
 
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        {
 
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                return test_main();
 
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        }
 
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}