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2004-04-16 Roland McGrath <roland@redhat.com>

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* configure.ac: Check for <mqueue.h>.
	* ipc.c (sys_mq_open, printmqattr) [! HAVE_MQUEUE_H]: Don't try to
	decode struct mq_attr.
	* linux/syscall.h: Support new mq_* syscalls on Linux.
	* linux/syscallent.h: Likewise.
	* linux/dummy.h: Likewise.
	* ipc.c: Likewise.
	* time.c (printsigevent): Handle SIGEV_THREAD.
	From Ulrich Drepper <drepper@redhat.com>.
	Fixes RH#120701.
This commit is contained in:
Roland McGrath 2004-04-16 21:48:40 +00:00
parent 085bae16db
commit 4df13c169d
1 changed files with 106 additions and 0 deletions
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106
ipc.c
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@ -34,6 +34,11 @@
#if defined(LINUX) || defined(SUNOS4) || defined(FREEBSD)
# ifdef HAVE_MQUEUE_H
# include <mqueue.h>
# endif
#include <fcntl.h>
#include <sys/ipc.h>
#include <sys/sem.h>
#include <sys/msg.h>
@ -62,6 +67,9 @@
# define IPC_64 0x100
#endif
extern struct xlat openmodes[];
extern void printsigevent(struct tcb *tcp, long arg);
static struct xlat msgctl_flags[] = {
{ IPC_RMID, "IPC_RMID" },
{ IPC_SET, "IPC_SET" },
@ -384,3 +392,101 @@ struct tcb *tcp;
}
#endif /* defined(LINUX) || defined(SUNOS4) || defined(FREEBSD) */
#ifdef LINUX
int sys_mq_open(tcp)
struct tcb *tcp;
{
if (entering(tcp)) {
printpath(tcp, tcp->u_arg[0]);
tprintf(", ");
/* flags */
printflags(openmodes, tcp->u_arg[1] + 1);
if (tcp->u_arg[1] & O_CREAT) {
# ifndef HAVE_MQUEUE_H
tprintf(", %lx", tcp->u_arg[2]);
# else
struct mq_attr attr;
/* mode */
tprintf(", %#lo, ", tcp->u_arg[2]);
if (umove(tcp, tcp->u_arg[3], &attr) < 0)
tprintf("{ ??? }");
else
tprintf("{mq_maxmsg=%ld, mq_msgsize=%ld}",
attr.mq_maxmsg, attr.mq_msgsize);
# endif
}
}
return 0;
}
int sys_mq_timedsend(tcp)
struct tcb *tcp;
{
if (entering(tcp)) {
tprintf("%ld, ", tcp->u_arg[0]);
printstr(tcp, tcp->u_arg[1], tcp->u_arg[2]);
tprintf(", %lu, %ld, ", tcp->u_arg[2], tcp->u_arg[3]);
printtv(tcp, tcp->u_arg[4]);
}
return 0;
}
int sys_mq_timedreceive(tcp)
struct tcb *tcp;
{
if (entering(tcp))
tprintf("%ld, ", tcp->u_arg[0]);
else {
printstr(tcp, tcp->u_arg[1], tcp->u_arg[2]);
tprintf(", %lu, %ld, ", tcp->u_arg[2], tcp->u_arg[3]);
printtv(tcp, tcp->u_arg[4]);
}
return 0;
}
int sys_mq_notify(tcp)
struct tcb *tcp;
{
if (entering(tcp)) {
tprintf("%ld, ", tcp->u_arg[0]);
printsigevent(tcp, tcp->u_arg[1]);
}
return 0;
}
static void printmqattr(tcp, addr)
struct tcb *tcp;
long addr;
{
if (addr == 0)
tprintf("NULL");
else {
# ifndef HAVE_MQUEUE_H
tprintf("%#lx", addr);
# else
struct mq_attr attr;
if (umove(tcp, addr, &attr) < 0) {
tprintf("{...}");
return;
}
tprintf("{mq_flags=");
printflags(openmodes, attr.mq_flags + 1);
tprintf(", mq_maxmsg=%ld, mq_msgsize=%ld, mq_curmsg=%ld}",
attr.mq_maxmsg, attr.mq_msgsize, attr.mq_curmsgs);
# endif
}
}
int sys_mq_getsetattr(tcp)
struct tcb *tcp;
{
if (entering(tcp)) {
tprintf("%ld, ", tcp->u_arg[0]);
printmqattr(tcp, tcp->u_arg[1]);
tprintf(", ");
} else
printmqattr(tcp, tcp->u_arg[2]);
return 0;
}
#endif