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Linux/tools/testing/selftests/proc/self.c

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Diff markup

Differences between /tools/testing/selftests/proc/self.c (Architecture alpha) and /tools/testing/selftests/proc/self.c (Architecture ppc)


  1 /*                                                  1 /*
  2  * Copyright © 2018 Alexey Dobriyan <adobriya      2  * Copyright © 2018 Alexey Dobriyan <adobriyan@gmail.com>
  3  *                                                  3  *
  4  * Permission to use, copy, modify, and distri      4  * Permission to use, copy, modify, and distribute this software for any
  5  * purpose with or without fee is hereby grant      5  * purpose with or without fee is hereby granted, provided that the above
  6  * copyright notice and this permission notice      6  * copyright notice and this permission notice appear in all copies.
  7  *                                                  7  *
  8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AU      8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL       9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SH     10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUEN     11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA     12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TOR     13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 14  * OR IN CONNECTION WITH THE USE OR PERFORMANC     14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 15  */                                                15  */
 16 // Test that /proc/self gives correct TGID.        16 // Test that /proc/self gives correct TGID.
 17 #undef NDEBUG                                      17 #undef NDEBUG
 18 #include <assert.h>                                18 #include <assert.h>
 19 #include <stdio.h>                                 19 #include <stdio.h>
 20 #include <unistd.h>                                20 #include <unistd.h>
 21                                                    21 
 22 #include "proc.h"                                  22 #include "proc.h"
 23                                                    23 
 24 int main(void)                                     24 int main(void)
 25 {                                                  25 {
 26         char buf1[64], buf2[64];                   26         char buf1[64], buf2[64];
 27         pid_t pid;                                 27         pid_t pid;
 28         ssize_t rv;                                28         ssize_t rv;
 29                                                    29 
 30         pid = sys_getpid();                        30         pid = sys_getpid();
 31         snprintf(buf1, sizeof(buf1), "%u", pid     31         snprintf(buf1, sizeof(buf1), "%u", pid);
 32                                                    32 
 33         rv = readlink("/proc/self", buf2, size     33         rv = readlink("/proc/self", buf2, sizeof(buf2));
 34         assert(rv == strlen(buf1));                34         assert(rv == strlen(buf1));
 35         buf2[rv] = '\0';                           35         buf2[rv] = '\0';
 36         assert(streq(buf1, buf2));                 36         assert(streq(buf1, buf2));
 37                                                    37 
 38         return 0;                                  38         return 0;
 39 }                                                  39 }
 40                                                    40 

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