Differential D31555 Diff 93776 sys/compat/linux/linux_misc.c

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sys/compat/linux/linux_misc.c

Show First 20 Lines • Show All 1,063 Lines • ▼ Show 20 Lines	linux_wait4(struct thread td, struct linux_wait4_args args)
options = 0;		options = 0;
linux_to_bsd_waitopts(args->options, &options);		linux_to_bsd_waitopts(args->options, &options);
/*		/*
* For backward compatibility we implicitly add flags WEXITED		* For backward compatibility we implicitly add flags WEXITED
* and WTRAPPED here.		* and WTRAPPED here.
*/		*/
options \|= WEXITED \| WTRAPPED;		options \|= WEXITED \| WTRAPPED;

		/*
		* As FreeBSD does not have __WALL option bit analogue explicitly set all
		* possible option bits to emulate Linux __WALL wait option bit. The same
		* for waitid system call.
		*/
		if ((args->options & __WALL) != 0)
		options \|= WUNTRACED \| WCONTINUED \| WLINUXCLONE;

if (args->pid == WAIT_ANY) {		if (args->pid == WAIT_ANY) {
idtype = P_ALL;		idtype = P_ALL;
id = 0;		id = 0;
} else if (args->pid < 0) {		} else if (args->pid < 0) {
idtype = P_PGID;		idtype = P_PGID;
id = (id_t)-args->pid;		id = (id_t)-args->pid;
} else {		} else {
idtype = P_PID;		idtype = P_PID;
Show All 11 Lines	linux_waitid(struct thread td, struct linux_waitid_args args)
int error, options;		int error, options;

if (args->options & ~(LINUX_WNOHANG \| LINUX_WNOWAIT \| LINUX_WEXITED \|		if (args->options & ~(LINUX_WNOHANG \| LINUX_WNOWAIT \| LINUX_WEXITED \|
LINUX_WSTOPPED \| LINUX_WCONTINUED \| __WCLONE \| __WNOTHREAD \| __WALL))		LINUX_WSTOPPED \| LINUX_WCONTINUED \| __WCLONE \| __WNOTHREAD \| __WALL))
return (EINVAL);		return (EINVAL);

options = 0;		options = 0;
linux_to_bsd_waitopts(args->options, &options);		linux_to_bsd_waitopts(args->options, &options);
		if ((args->options & __WALL) != 0)
		options \|= WEXITED \| WTRAPPED \| WUNTRACED \|
		WCONTINUED \| WLINUXCLONE;

switch (args->idtype) {		switch (args->idtype) {
case LINUX_P_ALL:		case LINUX_P_ALL:
idtype = P_ALL;		idtype = P_ALL;
break;		break;
case LINUX_P_PID:		case LINUX_P_PID:
if (args->id <= 0)		if (args->id <= 0)
return (EINVAL);		return (EINVAL);
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