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Unbreak !i386 platforms. Only i386 has APM, so don't try to fallback

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on APM on other platforms.
This commit is contained in:
Marcel Moolenaar 2005-02-27 00:23:19 +00:00
parent 16814e4c71
commit 5f4aa96715
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=142602
1 changed files with 11 additions and 1 deletions
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12
usr.sbin/powerd/powerd.c
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@ -35,7 +35,9 @@ __FBSDID("$FreeBSD$");
#include <string.h>
#include <unistd.h>
#ifdef __i386__
#include <machine/apm_bios.h>
#endif
#include <sys/ioctl.h>
#include <sys/sysctl.h>
@ -184,7 +186,9 @@ usage(void)
int
main(int argc, char * argv[])
{
#ifdef __i386__
struct apm_info info;
#endif
long idle, total;
int apm_fd, curfreq, *freqs, i, numfreqs;
int ch, mode_ac, mode_battery, mode_none, acline, mode, vflag;
@ -259,10 +263,13 @@ main(int argc, char * argv[])
err(1, "error reading supported CPU frequencies");
/* Decide whether to use ACPI or APM to read the AC line status. */
apm_fd = -1;
len = sizeof(acline);
if (sysctlbyname(ACPIAC, &acline, &len, NULL, 0)) {
#ifdef __i386__
/* ACPI disabled, try APM */
apm_fd = open(APMDEV, O_RDONLY);
#endif
if (apm_fd == -1) {
warnx("cannot read AC line status, "
"using default settings");
@ -271,7 +278,6 @@ main(int argc, char * argv[])
len = 3;
if (sysctlnametomib(ACPIAC, acline_mib, &len))
err(1, "lookup acline");
apm_fd = -1;
}
/* Run in the background unless in verbose mode. */
@ -285,10 +291,12 @@ main(int argc, char * argv[])
/* Read the current AC status and record the mode. */
if (apm_fd != -1) {
#ifdef __i386__
if (ioctl(apm_fd, APMIO_GETINFO, &info) == -1)
acline = SRC_UNKNOWN;
else
acline = info.ai_acline ? SRC_AC : SRC_BATTERY;
#endif
} else {
len = sizeof(acline);
if (sysctl(acline_mib, 3, &acline, &len, NULL, 0))
@ -383,8 +391,10 @@ main(int argc, char * argv[])
}
/* NOTREACHED */
#ifdef __i386__
if (apm_fd != -1)
close(apm_fd);
#endif
exit(0);
}