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authorIan Moffett <ian@osmora.org>2024-06-24 22:55:29 -0400
committerIan Moffett <ian@osmora.org>2024-06-24 22:55:29 -0400
commit236963e7563be3e3f8220dac7bb4af446928e194 (patch)
treee521ea226db0345bbb3679fffe09d96254b7dc73 /sys/kern/kern_signal.c
parent214eadc62b5578f76c98a38a28f8b3d80ac4d6ad (diff)
Clean out for expt
Signed-off-by: Ian Moffett <ian@osmora.org>
Diffstat (limited to 'sys/kern/kern_signal.c')
-rw-r--r--sys/kern/kern_signal.c102
1 files changed, 0 insertions, 102 deletions
diff --git a/sys/kern/kern_signal.c b/sys/kern/kern_signal.c
deleted file mode 100644
index 7c31c86..0000000
--- a/sys/kern/kern_signal.c
+++ /dev/null
@@ -1,102 +0,0 @@
-/*
- * Copyright (c) 2023-2024 Ian Marco Moffett and the Osmora Team.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the name of Hyra nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include <sys/proc.h>
-#include <sys/sched.h>
-#include <sys/cdefs.h>
-#include <sys/syslog.h>
-#include <sys/signal.h>
-#include <dev/vcons/vcons.h>
-#include <string.h>
-
-__MODULE_NAME("kern_signal");
-__KERNEL_META("$Hyra$: kern_signal.c, Ian Marco Moffett, "
- "Signal handling code");
-
-static void
-signal_log(const char *s)
-{
- vcons_putstr(&g_syslog_screen, s, strlen(s));
-}
-
-/*
- * Handle any signals within the current thread
- *
- * TODO: Add sigaction support, default action
- * for all currently is killing the process.
- */
-void
-signal_handle(struct proc *curtd)
-{
- int signo = curtd->signal;
-
- if (signo == 0) {
- return;
- }
-
- spinlock_acquire(&curtd->lock);
- curtd->signal = 0;
-
- switch (signo) {
- case SIGFPE:
- signal_log("Arithmetic error\n");
- break;
- case SIGSEGV:
- signal_log("Segmentation fault\n");
- break;
- case SIGKILL:
- signal_log("Killed\n");
- break;
- }
-
- spinlock_release(&curtd->lock);
- sched_exit();
-}
-
-/*
- * Raise a signal for a process
- *
- * @to: Can be NULL to mean the current process
- * @signal: Signal to send
- *
- * TODO: Add more functionality.
- */
-void
-signal_raise(struct proc *to, int signal)
-{
- if (to == NULL) {
- to = this_td();
- }
-
- to->signal = signal;
- if (to == this_td()) {
- /* Current process, just preempt */
- sched_context_switch(to->tf);
- }
-}