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Use execveat syscall in fexecve (bug 22134)

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By using execveat we no longer depend on /proc.  The execveat syscall was
introduced in 3.19, except for a few late comers.
This commit is contained in:
Andreas Schwab
2017-09-06 17:29:29 +02:00
parent a5dcc87e77
commit 43ffc53a35
8 changed files with 142 additions and 1 deletions
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5
sysdeps/unix/sysv/linux/kernel-features.h
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@ -102,3 +102,8 @@
implementation does not assume the __ASSUME_* and instead use a fallback
implementation based on p{read,write}v and returning an error for
non supported flags. */
/* Support for the execveat syscall was added in 3.19. */
#if __LINUX_KERNEL_VERSION >= 0x031300
# define __ASSUME_EXECVEAT 1
#endif