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Import unistd.h before calling syscall. #1

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Import unistd.h before calling syscall. #1

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Import unistd.h before calling syscall. 
The Linux man page for syscall(2) documents it as:

    #define _GNU_SOURCE         /* See feature_test_macros(7) */
    #include <unistd.h>
    #include <sys/syscall.h>   /* For SYS_xxx definitions */

    long syscall(long number, ...);

Therefore unistd.h is required in addition to the already imported
sys/syscall.h and the already defined _GNU_SOURCE.
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@eatnumber1
eatnumber1 committed Jun 25, 2021
commit a329a5493cbc3ea130120f903d55d1a9d0043faa
1 change: 1 addition & 0 deletions src/syscalls.h
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Expand Up @@ -19,6 +19,7 @@
#ifndef __SYSCALLS_H__
#define __SYSCALLS_H__

#include <unistd.h>
#include <sys/syscall.h>

static inline int _tgkill(int tgid, int tid, int sig)
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