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Explore comfort level with posix_spawn

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Justine says nay for the time being. Only XNU implements this. It's not
clear what ABI XNU is using but it's obviously not the one in the POSIX
documentation link below. Since all platforms implement vfork, it might
be better to empirically gauge the intersection of consensus which will
have better performance than this interface.

https://pubs.opengroup.org/onlinepubs/009696699/xrat/xsh_chap03.html
This commit is contained in:
Justine Tunney 2021-01-29 00:10:06 -08:00
parent b2260c2278
commit f7c7b949fd
13 changed files with 30 additions and 56 deletions
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2
libc/sysv/calls/posix_spawn-sysv.s Normal file
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@ -0,0 +1,2 @@
.include "o/libc/sysv/macros.internal.inc"
.scall posix_spawn$sysv 0xffffffff20f4ffff globl hidden

2
libc/sysv/calls/posix_spawn.s
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@ -1,2 +0,0 @@
.include "o/libc/sysv/macros.internal.inc"
.scall posix_spawn 0xffffffff20f4ffff globl hidden