diff options
| author | Jeff Dike <jdike@addtoit.com> | 2006-06-30 04:55:57 -0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-30 14:25:38 -0400 |
| commit | d115ec0f0f094683dc2588818cb28134dd75e6d1 (patch) | |
| tree | c59c47992cda54a97baa0c5cdbb4af834c96366f /arch/um | |
| parent | 30df49191cf8c7a3d86ccea956ba0de911c1dc36 (diff) | |
[PATCH] uml: remove stray file
Forgot to remove arch/um/kernel/time.c when it was mostly moved to
arch/um/os-Linux.
Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/um')
| -rw-r--r-- | arch/um/kernel/time.c | 172 |
1 files changed, 0 insertions, 172 deletions
diff --git a/arch/um/kernel/time.c b/arch/um/kernel/time.c deleted file mode 100644 index 8fa2ae7f3026..000000000000 --- a/arch/um/kernel/time.c +++ /dev/null | |||
| @@ -1,172 +0,0 @@ | |||
| 1 | /* | ||
| 2 | * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com) | ||
| 3 | * Licensed under the GPL | ||
| 4 | */ | ||
| 5 | |||
| 6 | #include <stdio.h> | ||
| 7 | #include <stdlib.h> | ||
| 8 | #include <unistd.h> | ||
| 9 | #include <time.h> | ||
| 10 | #include <sys/time.h> | ||
| 11 | #include <signal.h> | ||
| 12 | #include <errno.h> | ||
| 13 | #include "user_util.h" | ||
| 14 | #include "kern_util.h" | ||
| 15 | #include "user.h" | ||
| 16 | #include "process.h" | ||
| 17 | #include "time_user.h" | ||
| 18 | #include "kern_constants.h" | ||
| 19 | #include "os.h" | ||
| 20 | |||
| 21 | /* XXX This really needs to be declared and initialized in a kernel file since | ||
| 22 | * it's in <linux/time.h> | ||
| 23 | */ | ||
| 24 | extern struct timespec wall_to_monotonic; | ||
| 25 | |||
| 26 | extern struct timeval xtime; | ||
| 27 | |||
| 28 | struct timeval local_offset = { 0, 0 }; | ||
| 29 | |||
| 30 | void timer(void) | ||
| 31 | { | ||
| 32 | gettimeofday(&xtime, NULL); | ||
| 33 | timeradd(&xtime, &local_offset, &xtime); | ||
| 34 | } | ||
| 35 | |||
| 36 | static void set_interval(int timer_type) | ||
| 37 | { | ||
| 38 | int usec = 1000000/hz(); | ||
| 39 | struct itimerval interval = ((struct itimerval) { { 0, usec }, | ||
| 40 | { 0, usec } }); | ||
| 41 | |||
| 42 | if(setitimer(timer_type, &interval, NULL) == -1) | ||
| 43 | panic("setitimer failed - errno = %d\n", errno); | ||
| 44 | } | ||
| 45 | |||
| 46 | void enable_timer(void) | ||
| 47 | { | ||
| 48 | set_interval(ITIMER_VIRTUAL); | ||
| 49 | } | ||
| 50 | |||
| 51 | void prepare_timer(void * ptr) | ||
| 52 | { | ||
| 53 | int usec = 1000000/hz(); | ||
| 54 | *(struct itimerval *)ptr = ((struct itimerval) { { 0, usec }, | ||
| 55 | { 0, usec }}); | ||
| 56 | } | ||
| 57 | |||
| 58 | void disable_timer(void) | ||
| 59 | { | ||
| 60 | struct itimerval disable = ((struct itimerval) { { 0, 0 }, { 0, 0 }}); | ||
| 61 | if((setitimer(ITIMER_VIRTUAL, &disable, NULL) < 0) || | ||
| 62 | (setitimer(ITIMER_REAL, &disable, NULL) < 0)) | ||
| 63 | printk("disnable_timer - setitimer failed, errno = %d\n", | ||
| 64 | errno); | ||
| 65 | /* If there are signals already queued, after unblocking ignore them */ | ||
| 66 | set_handler(SIGALRM, SIG_IGN, 0, -1); | ||
| 67 | set_handler(SIGVTALRM, SIG_IGN, 0, -1); | ||
| 68 | } | ||
| 69 | |||
| 70 | void switch_timers(int to_real) | ||
| 71 | { | ||
| 72 | struct itimerval disable = ((struct itimerval) { { 0, 0 }, { 0, 0 }}); | ||
| 73 | struct itimerval enable = ((struct itimerval) { { 0, 1000000/hz() }, | ||
| 74 | { 0, 1000000/hz() }}); | ||
| 75 | int old, new; | ||
| 76 | |||
| 77 | if(to_real){ | ||
| 78 | old = ITIMER_VIRTUAL; | ||
| 79 | new = ITIMER_REAL; | ||
| 80 | } | ||
| 81 | else { | ||
| 82 | old = ITIMER_REAL; | ||
| 83 | new = ITIMER_VIRTUAL; | ||
| 84 | } | ||
| 85 | |||
| 86 | if((setitimer(old, &disable, NULL) < 0) || | ||
| 87 | (setitimer(new, &enable, NULL))) | ||
| 88 | printk("switch_timers - setitimer failed, errno = %d\n", | ||
| 89 | errno); | ||
| 90 | } | ||
| 91 | |||
| 92 | void uml_idle_timer(void) | ||
| 93 | { | ||
| 94 | if(signal(SIGVTALRM, SIG_IGN) == SIG_ERR) | ||
| 95 | panic("Couldn't unset SIGVTALRM handler"); | ||
| 96 | |||
| 97 | set_handler(SIGALRM, (__sighandler_t) alarm_handler, | ||
| 98 | SA_RESTART, SIGUSR1, SIGIO, SIGWINCH, SIGVTALRM, -1); | ||
| 99 | set_interval(ITIMER_REAL); | ||
| 100 | } | ||
| 101 | |||
| 102 | extern void ktime_get_ts(struct timespec *ts); | ||
| 103 | #define do_posix_clock_monotonic_gettime(ts) ktime_get_ts(ts) | ||
| 104 | |||
| 105 | void time_init(void) | ||
| 106 | { | ||
| 107 | struct timespec now; | ||
| 108 | |||
| 109 | if(signal(SIGVTALRM, boot_timer_handler) == SIG_ERR) | ||
| 110 | panic("Couldn't set SIGVTALRM handler"); | ||
| 111 | set_interval(ITIMER_VIRTUAL); | ||
| 112 | |||
| 113 | do_posix_clock_monotonic_gettime(&now); | ||
| 114 | wall_to_monotonic.tv_sec = -now.tv_sec; | ||
| 115 | wall_to_monotonic.tv_nsec = -now.tv_nsec; | ||
| 116 | } | ||
| 117 | |||
| 118 | /* Defined in linux/ktimer.h, which can't be included here */ | ||
| 119 | #define clock_was_set() do { } while (0) | ||
| 120 | |||
| 121 | void do_gettimeofday(struct timeval *tv) | ||
| 122 | { | ||
| 123 | unsigned long flags; | ||
| 124 | |||
| 125 | flags = time_lock(); | ||
| 126 | gettimeofday(tv, NULL); | ||
| 127 | timeradd(tv, &local_offset, tv); | ||
| 128 | time_unlock(flags); | ||
| 129 | clock_was_set(); | ||
| 130 | } | ||
| 131 | |||
| 132 | int do_settimeofday(struct timespec *tv) | ||
| 133 | { | ||
| 134 | struct timeval now; | ||
| 135 | unsigned long flags; | ||
| 136 | struct timeval tv_in; | ||
| 137 | |||
| 138 | if ((unsigned long) tv->tv_nsec >= UM_NSEC_PER_SEC) | ||
| 139 | return -EINVAL; | ||
| 140 | |||
| 141 | tv_in.tv_sec = tv->tv_sec; | ||
| 142 | tv_in.tv_usec = tv->tv_nsec / 1000; | ||
| 143 | |||
| 144 | flags = time_lock(); | ||
| 145 | gettimeofday(&now, NULL); | ||
| 146 | timersub(&tv_in, &now, &local_offset); | ||
| 147 | time_unlock(flags); | ||
| 148 | |||
| 149 | return(0); | ||
| 150 | } | ||
| 151 | |||
| 152 | void idle_sleep(int secs) | ||
| 153 | { | ||
| 154 | struct timespec ts; | ||
| 155 | |||
| 156 | ts.tv_sec = secs; | ||
| 157 | ts.tv_nsec = 0; | ||
| 158 | nanosleep(&ts, NULL); | ||
| 159 | } | ||
| 160 | |||
| 161 | /* XXX This partly duplicates init_irq_signals */ | ||
| 162 | |||
| 163 | void user_time_init(void) | ||
| 164 | { | ||
| 165 | set_handler(SIGVTALRM, (__sighandler_t) alarm_handler, | ||
| 166 | SA_ONSTACK | SA_RESTART, SIGUSR1, SIGIO, SIGWINCH, | ||
| 167 | SIGALRM, SIGUSR2, -1); | ||
| 168 | set_handler(SIGALRM, (__sighandler_t) alarm_handler, | ||
| 169 | SA_ONSTACK | SA_RESTART, SIGUSR1, SIGIO, SIGWINCH, | ||
| 170 | SIGVTALRM, SIGUSR2, -1); | ||
| 171 | set_interval(ITIMER_VIRTUAL); | ||
| 172 | } | ||
