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No locking in kernel code

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- No locking in RTS_(UN)SET macros

- No lock_notify()

- Removed unused lock_send()

- No lock/unlock macros anymore
This commit is contained in:
Tomas Hruby
2010-02-09 15:26:58 +00:00
parent 064cb7583a
commit c6fec6866f
24 changed files with 38 additions and 161 deletions
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14
kernel/system.c
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@@ -331,11 +331,7 @@ PUBLIC void send_sig(int proc_nr, int sig_nr)
rp = proc_addr(proc_nr);
sigaddset(&priv(rp)->s_sig_pending, sig_nr);
if(!intr_disabled()) {
lock_notify(SYSTEM, rp->p_endpoint);
} else {
mini_notify(proc_addr(SYSTEM), rp->p_endpoint);
}
mini_notify(proc_addr(SYSTEM), rp->p_endpoint);
}
/*===========================================================================*
@@ -368,7 +364,7 @@ int sig_nr; /* signal to be sent */
if (! sigismember(&rp->p_pending, sig_nr)) {
sigaddset(&rp->p_pending, sig_nr);
if (! (RTS_ISSET(rp, RTS_SIGNALED))) { /* other pending */
RTS_LOCK_SET(rp, RTS_SIGNALED | RTS_SIG_PENDING);
RTS_SET(rp, RTS_SIGNALED | RTS_SIG_PENDING);
send_sig(PM_PROC_NR, SIGKSIG);
}
}
@@ -479,7 +475,7 @@ register struct proc *rc; /* slot of process to clean up */
}
/* Make sure that the exiting process is no longer scheduled. */
RTS_LOCK_SET(rc, RTS_NO_ENDPOINT);
RTS_SET(rc, RTS_NO_ENDPOINT);
if (priv(rc)->s_flags & SYS_PROC)
{
if (priv(rc)->s_asynsize) {
@@ -529,7 +525,7 @@ register struct proc *rc; /* slot of process to clean up */
/* Check if process is receiving from exiting process. */
if (RTS_ISSET(rp, RTS_RECEIVING) && rp->p_getfrom_e == rc->p_endpoint) {
rp->p_reg.retreg = ESRCDIED; /* report source died */
RTS_LOCK_UNSET(rp, RTS_RECEIVING); /* no longer receiving */
RTS_UNSET(rp, RTS_RECEIVING); /* no longer receiving */
#if DEBUG_ENABLE_IPC_WARNINGS
kprintf("endpoint %d / %s receiving from dead src ep %d / %s\n",
rp->p_endpoint, rp->p_name, rc->p_endpoint, rc->p_name);
@@ -538,7 +534,7 @@ register struct proc *rc; /* slot of process to clean up */
if (RTS_ISSET(rp, RTS_SENDING) &&
rp->p_sendto_e == rc->p_endpoint) {
rp->p_reg.retreg = EDSTDIED; /* report destination died */
RTS_LOCK_UNSET(rp, RTS_SENDING);
RTS_UNSET(rp, RTS_SENDING);
#if DEBUG_ENABLE_IPC_WARNINGS
kprintf("endpoint %d / %s send to dying dst ep %d (%s)\n",
rp->p_endpoint, rp->p_name, rc->p_endpoint, rc->p_name);