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Block signals in __zipos_postdup

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This was wrong before. Now it mirrors `sys_dup_nt`. As far as I can tell
this is okay at all call sites; most of the time, there are parallel
code paths for `sys_dup_nt` anyway.
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Jōshin 2023-12-14 20:33:00 -05:00
parent d4978db8a1
commit f8073ba6e1
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1 changed files with 2 additions and 1 deletions
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3
libc/runtime/zipos-open.c
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@ -235,7 +235,7 @@ void __zipos_postdup(int oldfd, int newfd) {
if (oldfd == newfd) {
return;
}
// XXX signals
BLOCK_SIGNALS;
__fds_lock();
if (__isfdkind(newfd, kFdZip)) {
__zipos_free((struct ZiposHandle *)(intptr_t)g_fds.p[newfd].handle);
@ -249,6 +249,7 @@ void __zipos_postdup(int oldfd, int newfd) {
g_fds.p[newfd] = g_fds.p[oldfd];
}
__fds_unlock();
ALLOW_SIGNALS;
}
/**