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Add file monitor to reboot automatically when exe is updated

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This commit is contained in:
jun7 2018-06-03 17:13:12 +09:00
parent 2587277640
commit b15991043e
2 changed files with 31 additions and 11 deletions
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2
makefile
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@ -29,7 +29,7 @@ librun.o: wyebrun.c wyebrun.h makefile
testrun: wyebrun.c wyebrun.h makefile
$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< \
`pkg-config --cflags --libs glib-2.0` \
`pkg-config --cflags --libs glib-2.0 gio-2.0` \
-DDEBUG=1
clean:

40
wyebrun.c
View File

@ -25,6 +25,9 @@ along with wyebrun. If not, see <http://www.gnu.org/licenses/>.
//flock
#include <sys/file.h>
//monitor
#include <gio/gio.h>
#include "wyebrun.h"
#define ROOTNAME "wyebrun"
@ -60,8 +63,6 @@ typedef enum {
//shared
static void fatal(int i)
{
@ -134,9 +135,11 @@ static GSource *ipcwatch(char *exe, char *name, GMainContext *ctx) {
static char *svrexe = NULL;
static GMainLoop *sloop = NULL;
static wyebdataf dataf = NULL;
static GHashTable *orders = NULL;
static gboolean quit(gpointer p)
{
DD(\nsvr quits\n)
DD(SVR QUITS\n)
g_main_loop_quit(sloop);
return false;
}
@ -156,7 +159,19 @@ static gpointer pingt(gpointer p)
g_main_loop_run(g_main_loop_new(ctx, true));
return NULL;
}
static gboolean quitif(gpointer p)
{
DD(quitif)
static int cnt = 0;
if (cnt++ > 30 /*3 sec*/ || !g_hash_table_size(orders)) quit(NULL);
return true;
}
static void monitorcb(GFileMonitor *m, GFile *f, GFile *o, GFileMonitorEvent e,
gpointer p)
{
if (e != G_FILE_MONITOR_EVENT_CHANGES_DONE_HINT) return;
g_timeout_add(100, quitif, NULL);
}
void wyebwatch(char *exe, char *caller, wyebdataf func)
{
svrexe = exe;
@ -173,6 +188,16 @@ void wyebwatch(char *exe, char *caller, wyebdataf func)
static gboolean svrinit(char *caller)
{
wyebwatch(svrexe, caller, dataf);
char path[PATH_MAX];
readlink("/proc/self/exe", path, PATH_MAX);
D(exepath %s, path)
GFile *gf = g_file_new_for_path(path);
GFileMonitor *gm = g_file_monitor_file(
gf, G_FILE_MONITOR_NONE, NULL, NULL);
g_signal_connect(gm, "changed", G_CALLBACK(monitorcb), NULL);
g_object_unref(gf);
return false;
}
@ -474,7 +499,6 @@ void wyebclient(char *exe)
//@ipccb
static GHashTable *orders = NULL;
gboolean ipccb(GIOChannel *ch, GIOCondition c, gpointer p)
{
if (!orders)
@ -495,7 +519,7 @@ gboolean ipccb(GIOChannel *ch, GIOCondition c, gpointer p)
#if DEBUG
static int i = 0;
D(ipccb%d %c/%s/%s;, i++, type ,id ,arg)
D(%c ipccb%d %c/%s/%s;, svrexe ? 'S':'C', i++, type ,id ,arg)
#endif
static int lastuntil = DUNTIL;
@ -549,10 +573,6 @@ int main(int argc, char **argv)
// gint64 now = g_get_monotonic_time();
// D(time %ld %ld, now - start, now)
//char path[PATH_MAX] = {0};
//readlink("/proc/self/exe", path, PATH_MAX);
//D(progrname %s, path)
if (!wyebsvr(argc, argv, testdata))
wyebclient(argv[0]);