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2003-03-30 Roland McGrath <roland@redhat.com>

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* time.c [LINUX]: Handle new Linux 2.5 clock/timer syscalls.
	* linux/syscall.h, linux/syscallent.h, linux/dummy.h: Likewise.
	From Ulrich Drepper <drepper@redhat.com>.
This commit is contained in:
Roland McGrath 2003-03-30 23:52:28 +00:00
parent e9a188d51e
commit 1e35679bbb
3 changed files with 145 additions and 0 deletions
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3
linux/dummy.h
View File

@ -68,6 +68,7 @@
#define sys_fdatasync sys_close
#define sys_mlock sys_munmap
#define sys_munlock sys_munmap
#define sys_clock_getres sys_clock_gettime
/* printargs does the right thing */
#define sys_setup printargs
@ -85,6 +86,8 @@
#define sys_idle printargs
#define sys_getpgid printargs
#define sys_munlockall printargs
#define sys_timer_getoverrun printargs
#define sys_timer_delete printargs
/* subcall entry points */
#define sys_socketcall printargs

3
linux/syscall.h
View File

@ -89,6 +89,9 @@ int sys_setxattr(), sys_fsetxattr(), sys_getxattr(), sys_fgetxattr();
int sys_listxattr(), sys_flistxattr(), sys_removexattr(), sys_fremovexattr();
int sys_sched_setaffinity(), sys_sched_getaffinity(), sys_futex();
int sys_set_thread_area(), sys_get_thread_area(), sys_remap_file_pages();
int sys_timer_create(), sys_timer_delete(), sys_timer_getoverrun();
int sys_timer_gettime(), sys_timer_settime(), sys_clock_settime();
int sys_clock_gettime(), sys_clock_getres(), sys_clock_nanosleep();
/* sys_socketcall subcalls */

139
time.c
View File

@ -358,5 +358,144 @@ struct tcb *tcp;
}
return 0;
}
static struct xlat clockflags[] = {
{ TIMER_ABSTIME, "TIMER_ABSTIME" },
{ 0, NULL }
};
int
sys_clock_settime(tcp)
struct tcb *tcp;
{
if (entering(tcp)) {
tprintf("%#lx, ", tcp->u_arg[0]);
printtv(tcp, tcp->u_arg[1]);
}
return 0;
}
int
sys_clock_gettime(tcp)
struct tcb *tcp;
{
if (entering(tcp)) {
tprintf("%#lx, ", tcp->u_arg[0]);
} else {
if (syserror(tcp))
tprintf("%#lx", tcp->u_arg[1]);
else
printtv(tcp, tcp->u_arg[1]);
}
return 0;
}
int
sys_clock_nanosleep(tcp)
struct tcb *tcp;
{
if (entering(tcp)) {
tprintf("%#lx, ", tcp->u_arg[0]);
printflags(clockflags, tcp->u_arg[1]);
tprintf(", ");
printtv(tcp, tcp->u_arg[2]);
tprintf(", ");
} else {
if (syserror(tcp))
tprintf("%#lx", tcp->u_arg[3]);
else
printtv(tcp, tcp->u_arg[3]);
}
return 0;
}
#ifndef SIGEV_THREAD_ID
# define SIGEV_THREAD_ID 4
#endif
static struct xlat sigev_value[] = {
{ SIGEV_SIGNAL+1, "SIGEV_SIGNAL" },
{ SIGEV_NONE+1, "SIGEV_NONE" },
{ SIGEV_THREAD+1, "SIGEV_THREAD" },
{ SIGEV_THREAD_ID+1, "SIGEV_THREAD_ID" },
{ 0, NULL }
};
void
printsigevent(tcp, arg)
struct tcb *tcp;
long arg;
{
struct sigevent sev;
if (umove (tcp, arg, &sev) < 0)
tprintf("{...}");
else {
tprintf("{%p, %u, ", sev.sigev_value.sival_ptr,
sev.sigev_signo);
printxval(sigev_value, sev.sigev_notify+1, "SIGEV_???");
tprintf(", ");
if (sev.sigev_notify == SIGEV_THREAD_ID)
/* _pad[0] is the _tid field which might not be
present in the userlevel definition of the
struct. */
tprintf("{%d}", sev._sigev_un._pad[0]);
else
tprintf("{...}");
tprintf("}");
}
}
int
sys_timer_create(tcp)
struct tcb *tcp;
{
if (entering(tcp)) {
tprintf("%#lx, ", tcp->u_arg[0]);
printsigevent(tcp, tcp->u_arg[1]);
tprintf(", ");
} else {
if (syserror(tcp))
tprintf("%#lx", tcp->u_arg[2]);
else {
void *p;
umove(tcp, tcp->u_arg[2], &p);
tprintf("{%p}", p);
}
}
return 0;
}
int
sys_timer_settime(tcp)
struct tcb *tcp;
{
if (entering(tcp)) {
tprintf("%#lx, ", tcp->u_arg[0]);
printflags(clockflags, tcp->u_arg[1]);
tprintf(", ");
printitv(tcp, tcp->u_arg[2]);
tprintf(", ");
} else {
if (syserror(tcp))
tprintf("%#lx", tcp->u_arg[3]);
else
printitv(tcp, tcp->u_arg[3]);
}
return 0;
}
int
sys_timer_gettime(tcp)
struct tcb *tcp;
{
if (entering(tcp)) {
tprintf("%#lx, ", tcp->u_arg[0]);
} else {
if (syserror(tcp))
tprintf("%#lx", tcp->u_arg[1]);
else
printitv(tcp, tcp->u_arg[1]);
}
return 0;
}
#endif /* LINUX */