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oslib: qemu_clear_cloexec

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Define qemu_clear_cloexec, analogous to qemu_set_cloexec.

Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Link: https://lore.kernel.org/r/1759332851-370353-4-git-send-email-steven.sistare@oracle.com
Signed-off-by: Peter Xu <peterx@redhat.com>
This commit is contained in:
Steve Sistare 2025-10-01 08:33:55 -07:00 • committed by Peter Xu
parent a9f9eee58b
commit fe72a8073e
3 changed files with 22 additions and 0 deletions
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9
include/qemu/osdep.h
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@ -689,6 +689,15 @@ ssize_t qemu_write_full(int fd, const void *buf, size_t count)
void qemu_set_cloexec(int fd);
bool qemu_set_blocking(int fd, bool block, Error **errp);
/*
* Clear FD_CLOEXEC for a descriptor.
*
* The caller must guarantee that no other fork+exec's occur before the
* exec that is intended to inherit this descriptor, eg by suspending CPUs
* and blocking monitor commands.
*/
void qemu_clear_cloexec(int fd);
/* Return a dynamically allocated directory path that is appropriate for storing
* local state.
*