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utils: Add convenience function for setting fd flags

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There are many places in the code base where we ignore the return value
of fcntl() when getting/setting file descriptior flags. This patch
introduces a convenience function that allows setting or clearing file
descriptor flags and will also log an error on failure for later
analysis.

Change-Id: I8b81901e1b1bd537ca632567cdb408931c6eded7
This commit is contained in:
Sean Bright
2017-12-07 10:52:39 -05:00
parent b0b28446c1
commit 2ffe52a116
17 changed files with 100 additions and 78 deletions
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4
main/asterisk.c
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@@ -1569,7 +1569,6 @@ static void *listener(void *unused)
int s;
socklen_t len;
int x;
int flags;
struct pollfd fds[1];
for (;;) {
if (ast_socket < 0)
@@ -1607,8 +1606,7 @@ static void *listener(void *unused)
close(s);
break;
}
flags = fcntl(consoles[x].p[1], F_GETFL);
fcntl(consoles[x].p[1], F_SETFL, flags | O_NONBLOCK);
ast_fd_set_flags(consoles[x].p[1], O_NONBLOCK);
consoles[x].mute = 1; /* Default is muted, we will un-mute if necessary */
/* Default uid and gid to -2, so then in cli.c/cli_has_permissions() we will be able
to know if the user didn't send the credentials. */