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support sigqueue

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This commit is contained in:
Tomoki Shirasawa
2014-09-23 23:17:53 +09:00
parent 55aeceb1bf
commit 39f36120c1
12 changed files with 188 additions and 38 deletions
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25
kernel/host.c
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@@ -496,7 +496,7 @@ static void syscall_channel_send(struct ihk_ikc_channel_desc *c,
ihk_ikc_send(c, packet, 0);
}
extern unsigned long do_kill(int, int, int);
extern unsigned long do_kill(int, int, int, struct siginfo *);
extern void settid(struct process *proc, int mode, int newcpuid, int oldcpuid);
extern void process_procfs_request(unsigned long rarg);
@@ -508,6 +508,14 @@ static int syscall_packet_handler(struct ihk_ikc_channel_desc *c,
struct ikc_scd_packet pckt;
int rc;
struct process *proc;
struct mcctrl_signal {
int cond;
int sig;
int pid;
int tid;
struct siginfo info;
} *sp, info;
unsigned long pp;
switch (packet->msg) {
case SCD_MSG_INIT_CHANNEL_ACKED:
@@ -540,8 +548,19 @@ static int syscall_packet_handler(struct ihk_ikc_channel_desc *c,
//cpu_local_var(next) = (struct process *)packet->arg;
return 0;
case SCD_MSG_SEND_SIGNAL:
rc = do_kill((int)packet->pid, (int)(packet->arg >> 32), packet->arg & 0x00000000ffffffffL);
kprintf("SCD_MSG_SEND_SIGNAL: %lx, rc=%d\n", packet->arg, rc);
pp = ihk_mc_map_memory(NULL, packet->arg, sizeof(struct mcctrl_signal));
sp = (struct mcctrl_signal *)ihk_mc_map_virtual(pp, 1, PTATTR_WRITABLE | PTATTR_ACTIVE);
memcpy(&info, sp, sizeof(struct mcctrl_signal));
ihk_mc_unmap_virtual(sp, 1, 0);
ihk_mc_unmap_memory(NULL, pp, sizeof(struct mcctrl_signal));
pckt.msg = SCD_MSG_SEND_SIGNAL;
pckt.err = 0;
pckt.ref = packet->ref;
pckt.arg = packet->arg;
syscall_channel_send(c, &pckt);
rc = do_kill(info.pid, info.tid, info.sig, &info.info);
kprintf("SCD_MSG_SEND_SIGNAL: do_kill(pid=%d, tid=%d, sig=%d)=%d\n", info.pid, info.tid, info.sig, rc);
return 0;
case SCD_MSG_PROCFS_REQUEST:
process_procfs_request(packet->arg);