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474514668b
Introduce a new global big lock for mon_fdsets. Take it where needed. The monitor_fdset_get_fd() handling is a bit tricky: now we need to call qemu_mutex_unlock() which might pollute errno, so we need to make sure the correct errno be passed up to the callers. To make things simpler, we let monitor_fdset_get_fd() return the -errno directly when error happens, then in qemu_open() we move it back into errno. Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Peter Xu <peterx@redhat.com> Message-Id: <20180608035511.7439-8-peterx@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
23 lines
347 B
C
23 lines
347 B
C
#include "qemu/osdep.h"
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#include "qemu-common.h"
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#include "monitor/monitor.h"
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int monitor_fdset_dup_fd_add(int64_t fdset_id, int dup_fd)
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{
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return -1;
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}
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int monitor_fdset_dup_fd_find(int dup_fd)
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{
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return -1;
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}
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int monitor_fdset_get_fd(int64_t fdset_id, int flags)
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{
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return -ENOENT;
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}
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void monitor_fdset_dup_fd_remove(int dupfd)
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{
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}
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