xref: /aosp_15_r20/external/musl/src/termios/tcgetsid.c (revision c9945492fdd68bbe62686c5b452b4dc1be3f8453) 
1*c9945492SAndroid Build Coastguard Worker #include <termios.h>
2*c9945492SAndroid Build Coastguard Worker #include <sys/ioctl.h>
3*c9945492SAndroid Build Coastguard Worker 
tcgetsid(int fd)4*c9945492SAndroid Build Coastguard Worker pid_t tcgetsid(int fd)
5*c9945492SAndroid Build Coastguard Worker {
6*c9945492SAndroid Build Coastguard Worker 	int sid;
7*c9945492SAndroid Build Coastguard Worker 	if (ioctl(fd, TIOCGSID, &sid) < 0)
8*c9945492SAndroid Build Coastguard Worker 		return -1;
9*c9945492SAndroid Build Coastguard Worker 	return sid;
10*c9945492SAndroid Build Coastguard Worker }
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