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* mu-cmd-server.c: add signal handling

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This commit is contained in:
Dirk-Jan C. Binnema
2011-10-10 08:36:01 +03:00
parent 1bb15332c4
commit 7e5df3c090
1 changed files with 40 additions and 5 deletions
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45
src/mu-cmd-server.c
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@ -52,6 +52,32 @@
#include "mu-msg-part.h" #include "mu-msg-part.h"
static gboolean MU_CAUGHT_SIGNAL;
static void
sig_handler (int sig)
{
MU_CAUGHT_SIGNAL = TRUE;
}
static void
install_sig_handler (void)
{
struct sigaction action;
int i, sigs[] = { SIGINT, SIGHUP, SIGTERM };
MU_CAUGHT_SIGNAL = FALSE;
action.sa_handler = sig_handler;
sigemptyset(&action.sa_mask);
action.sa_flags = SA_RESETHAND;
for (i = 0; i != G_N_ELEMENTS(sigs); ++i)
if (sigaction (sigs[i], &action, NULL) != 0)
g_critical ("set sigaction for %d failed: %s",
sigs[i], strerror (errno));;
}
/* we include \376 (0xfe) and \377, (0xff) because it cannot occur as /* we include \376 (0xfe) and \377, (0xff) because it cannot occur as
* part of the other output, as 0xfe, 0xff are not valid UTF-8 * part of the other output, as 0xfe, 0xff are not valid UTF-8
*/ */
@ -301,7 +327,7 @@ cmd_find (MuStore *store, MuQuery *query, GSList *lst, GError **err)
"couldn't get iterator"); "couldn't get iterator");
u = 0; u = 0;
while (!mu_msg_iter_is_done (iter)) { while (!mu_msg_iter_is_done (iter) && !MU_CAUGHT_SIGNAL) {
MuMsg *msg; MuMsg *msg;
msg = mu_msg_iter_get_msg_floating (iter); msg = mu_msg_iter_get_msg_floating (iter);
if (mu_msg_is_readable (msg)) { if (mu_msg_is_readable (msg)) {
@ -351,7 +377,7 @@ get_docid_from_msgid (MuQuery *query, const char *str, GError **err)
MU_MSG_FIELD_ID_NONE, FALSE, err); MU_MSG_FIELD_ID_NONE, FALSE, err);
g_free (querystr); g_free (querystr);
docid = MU_STORE_INVALID_DOCID; docid = MU_STORE_INVALID_DOCID;
if (!iter) if (!iter || mu_msg_iter_is_done (iter))
if (err && *err == NULL) if (err && *err == NULL)
g_set_error (err, 0, MU_ERROR_NO_MATCHES, g_set_error (err, 0, MU_ERROR_NO_MATCHES,
"could not find message %s", str); "could not find message %s", str);
@ -659,7 +685,7 @@ cmd_view (MuStore *store, GSList *args, GError **err)
sexp = mu_msg_to_sexp (msg, docid, NULL, FALSE); sexp = mu_msg_to_sexp (msg, docid, NULL, FALSE);
mu_msg_unref (msg); mu_msg_unref (msg);
send_expr ("(:view %s)", sexp); send_expr ("(:view %s)\n", sexp);
g_free (sexp); g_free (sexp);
@ -709,6 +735,9 @@ cmd_compose (MuStore *store, GSList *args, GError **err)
static MuError static MuError
index_msg_cb (MuIndexStats *stats, void *user_data) index_msg_cb (MuIndexStats *stats, void *user_data)
{ {
if (MU_CAUGHT_SIGNAL)
return MU_STOP;
if (stats->_processed % 500) if (stats->_processed % 500)
return MU_OK; return MU_OK;
@ -780,6 +809,8 @@ cmd_index (MuStore *store, GSList *lst, GError **err)
if (rv != MU_OK && rv != MU_STOP) if (rv != MU_OK && rv != MU_STOP)
return server_error (err, rv, "cleanup failed"); return server_error (err, rv, "cleanup failed");
mu_store_flush (store);
send_expr ("(:info index :status complete " send_expr ("(:info index :status complete "
":processed %u :updated %u :cleaned-up %u)", ":processed %u :updated %u :cleaned-up %u)",
stats._processed, stats._updated, stats2._cleaned_up); stats._processed, stats._updated, stats2._cleaned_up);
@ -841,6 +872,8 @@ mu_cmd_server (MuStore *store, MuConfig *opts, GError **err)
g_return_val_if_fail (store, MU_ERROR_INTERNAL); g_return_val_if_fail (store, MU_ERROR_INTERNAL);
install_sig_handler ();
fputs (";; welcome to mu\n", stdout); fputs (";; welcome to mu\n", stdout);
fputs (";; type your commands, and press Enter to execute them\n", stdout); fputs (";; type your commands, and press Enter to execute them\n", stdout);
@ -848,7 +881,7 @@ mu_cmd_server (MuStore *store, MuConfig *opts, GError **err)
if (!query) if (!query)
return MU_G_ERROR_CODE (err); return MU_G_ERROR_CODE (err);
while (1) { while (!MU_CAUGHT_SIGNAL) {
char *line; char *line;
Cmd cmd; Cmd cmd;
GSList *args; GSList *args;
@ -864,9 +897,11 @@ mu_cmd_server (MuStore *store, MuConfig *opts, GError **err)
mu_str_free_list (args); mu_str_free_list (args);
if (cmd == CMD_QUIT) if (cmd == CMD_QUIT) {
mu_store_flush (store);
break; break;
} }
}
mu_query_destroy (query); mu_query_destroy (query);