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util: Introduce qemu_get_pid_name

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This is a small helper that tries to fetch binary name for given
PID.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Message-Id: <4d75d475c1884f8e94ee8b1e57273ddf3ed68bf7.1474987617.git.mprivozn@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Michal Privoznik
2016-09-27 17:24:56 +02:00
committed by Paolo Bonzini
parent 6a7b2b2100
commit 7dc9ae4339
3 changed files with 44 additions and 0 deletions
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10
include/qemu/osdep.h
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@ -387,6 +387,16 @@ void os_mem_prealloc(int fd, char *area, size_t sz, Error **errp);
int qemu_read_password(char *buf, int buf_size);
/**
* qemu_get_pid_name:
* @pid: pid of a process
*
* For given @pid fetch its name. Caller is responsible for
* freeing the string when no longer needed.
* Returns allocated string on success, NULL on failure.
*/
char *qemu_get_pid_name(pid_t pid);
/**
* qemu_fork:
*