1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
|
/*
Quickplot - an interactive 2D plotter
Copyright (C) 1998-2011 Lance Arsenault
This file is part of Quickplot.
Quickplot is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
by the Free Software Foundation, either version 3 of the License,
or (at your option) any later version.
Quickplot is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with Quickplot. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <unistd.h>
#include "quickplot.h"
#include "config.h"
#include "debug.h"
#include "list.h"
#include "spew.h"
#include "qp.h"
#include "shell.h"
#include "term_color.h"
#include "shell_common.h"
#ifdef QP_DEBUG
# include <signal.h>
#endif
#ifdef DMALLOC
# include "dmalloc.h"
#endif
static
void usr1_sighandler(int sig_num, siginfo_t *info, void *ptr)
{
char path_in[FIFO_PATH_LEN], path_out[FIFO_PATH_LEN];
FILE *in = NULL, *out = NULL;
NOTICE("Received signal %d from pid %d\n", sig_num, info->si_pid);
in = fopen(set_to_qp_fifo_path(path_in, getpid(), info->si_pid), "r");
if(!in)
{
QP_EERROR("Failed to open fifo %s\n", path_in);
return;
}
out = fopen(set_from_qp_fifo_path(path_out, getpid(), info->si_pid), "w");
if(!out)
{
fclose(in);
QP_EERROR("Failed to open fifo %s\n", path_out);
return;
}
qp_shell_create(in, out, 1, info->si_pid);
}
#ifdef QP_DEBUG
static
void error_sighandler(int sig_num)
{
VASSERT(0, "We caught signal %d", sig_num);
}
#endif
int main (int argc, char **argv)
{
struct qp_gtk_options *gtk_opt;
struct sigaction action;
#ifdef QP_DEBUG
signal(SIGSEGV, error_sighandler);
signal(SIGABRT, error_sighandler);
#endif
qp_app_create();
gtk_opt = strip_gtk_options(&argc, &argv);
qp_getargs_1st_pass(argc, argv);
if(qp_gtk_init_check(gtk_opt)) return 1;
qp_getargs_2nd_pass(argc, argv);
memset(&action, 0, sizeof(action));
action.sa_sigaction = usr1_sighandler;
action.sa_flags = SA_SIGINFO;
sigaction(SIGUSR1, &action, NULL);
if(app->op_signal)
kill(app->op_signal, SIGUSR1);
DEBUG("Quickplot pid %d\n", getpid());
gtk_main();
if(app->op_shell)
qp_shell_destroy(app->op_shell);
return 0;
}
|
