qa/kern: ensure awake in signal handlers is not affected by sleep

This commit is contained in:
Giacomo Tesio 2017-05-04 19:55:55 +02:00
parent 0b193807b6
commit ecd6dddf86
5 changed files with 85 additions and 1 deletions

60
qa/kern/awake_note0.c Normal file
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@ -0,0 +1,60 @@
/*
* This file is part of Jehanne.
*
* Copyright (C) 2017 Giacomo Tesio <giacomo@tesio.it>
*
* Jehanne is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, version 2 of the License.
*
* Jehanne is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Jehanne. If not, see <http://www.gnu.org/licenses/>.
*/
#include <u.h>
#include <lib9.h>
void
handler(void *v, char *s)
{
int64_t wakeup;
wakeup = awake(1000);
while(rendezvous(&wakeup, (void*)1) == (void*)~0)
if(jehanne_awakened(wakeup)){
print("PASS\n");
exits(nil);
}
print("FAIL in note handler\n");
exits("FAIL");
}
void
main(int argc, char**argv)
{
int fd, i;
if(argc > 1){
fd = ocreate(argv[1], OWRITE, 0666);
dup(fd, 1);
close(fd);
}
if (notify(handler)){
fprint(2, "%r\n");
exits("notify fails");
}
print("%s %d: waiting for note", argv[0], getpid());
for(i = 0; i < 10*1000*1000; ++i)
if(i % 4999 == 0){
for(fd = 0; fd < 1000000; ++fd)
;
print(".");
}
print("FAIL\n");
exits("FAIL");
}

23
qa/kern/awake_note1.runner Executable file
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#!/cmd/rc
runner=$0
test = `{echo $runner|sed 's/.runner//'}
test_output = /tmp/output-`{basename $test}
if ( test -e $test_output) rm $test_output
$test $test_output &
testpid=$apid
sleep 1
echo hi > /proc/$testpid/note
wait $testpid
if ( cat $test_output | grep 'PASS' > /dev/null ) {
rm $test_output
echo PASS
exit PASS
}
cat $test_output
echo FAIL
exit FAIL

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@ -12,7 +12,8 @@
"alarm.c", "alarm.c",
"args.c", "args.c",
"awake.c", "awake.c",
"awake_note.c", "awake_note0.c",
"awake_note1.c",
"brk.c", "brk.c",
"execl.c", "execl.c",
"float.c", "float.c",