os-posix: cleanup: Replace perror with error_report

perror() is defined to fprintf(stderr,...).  HACKING says
fprintf(stderr,...) is wrong.  So perror() is too.

Signed-off-by: Ian Jackson <Ian.Jackson@eu.citrix.com>
CC: Paolo Bonzini <pbonzini@redhat.com>
CC: Markus Armbruster <armbru@redhat.com>
CC: Daniel P. Berrange <berrange@redhat.com>
CC: Michael Tokarev <mjt@tls.msk.ru>
CC: Alistair Francis <alistair.francis@xilinx.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
This commit is contained in:
Ian Jackson 2018-04-16 15:16:23 +01:00 committed by Ian Jackson
parent 22cd4f4835
commit a7aaec148e

View File

@ -125,7 +125,7 @@ void os_set_proc_name(const char *s)
/* Could rewrite argv[0] too, but that's a bit more complicated.
This simple way is enough for `top'. */
if (prctl(PR_SET_NAME, name)) {
perror("unable to change process name");
error_report("unable to change process name: %s", strerror(errno));
exit(1);
}
#else
@ -247,7 +247,7 @@ static void change_root(void)
exit(1);
}
if (chdir("/")) {
perror("not able to chdir to /");
error_report("not able to chdir to /: %s", strerror(errno));
exit(1);
}
}
@ -309,7 +309,7 @@ void os_setup_post(void)
if (daemonize) {
if (chdir("/")) {
perror("not able to chdir to /");
error_report("not able to chdir to /: %s", strerror(errno));
exit(1);
}
TFR(fd = qemu_open("/dev/null", O_RDWR));
@ -383,7 +383,7 @@ int os_mlock(void)
ret = mlockall(MCL_CURRENT | MCL_FUTURE);
if (ret < 0) {
perror("mlockall");
error_report("mlockall: %s", strerror(errno));
}
return ret;