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comparison src/video/x11/SDL_x11image.c @ 166:39877400bd1e

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Fixed Solaris nitpicks (thanks Mattias!)
author Sam Lantinga <slouken@libsdl.org>
date Tue, 04 Sep 2001 22:48:09 +0000
parents eb6b76a95f2d
children e8157fcb3114
comparison
equal deleted inserted replaced
165:6a4e09bbbbc0 166:39877400bd1e
24 static char rcsid = 24 static char rcsid =
25 "@(#) $Id$"; 25 "@(#) $Id$";
26 #endif 26 #endif
27 27
28 #include <stdlib.h> 28 #include <stdlib.h>
29 #include <unistd.h>
29 30
30 #include "SDL_error.h" 31 #include "SDL_error.h"
31 #include "SDL_endian.h" 32 #include "SDL_endian.h"
32 #include "SDL_events_c.h" 33 #include "SDL_events_c.h"
33 #include "SDL_x11image_c.h" 34 #include "SDL_x11image_c.h"
34
35 #if defined(__USLC__)
36 #ifdef HAVE_KSTAT
37 #undef HAVE_KSTAT
38 #endif
39 #include <unistd.h>
40 #endif
41
42 #ifdef HAVE_KSTAT
43 #include <kstat.h>
44 #endif
45 35
46 #ifndef NO_SHARED_MEMORY 36 #ifndef NO_SHARED_MEMORY
47 37
48 /* Shared memory information */ 38 /* Shared memory information */
49 extern int XShmQueryExtension(Display *dpy); /* Not in X11 headers */ 39 extern int XShmQueryExtension(Display *dpy); /* Not in X11 headers */
175 if ( screen ) { 165 if ( screen ) {
176 screen->pixels = NULL; 166 screen->pixels = NULL;
177 } 167 }
178 } 168 }
179 169
180 /* This is a hack to see whether this system has more than 1 CPU */ 170 /* Determine the number of CPUs in the system */
181 static int num_CPU(void) 171 static int num_CPU(void)
182 { 172 {
183 static int num_cpus = 0; 173 static int num_cpus = 0;
184 174
185 if(!num_cpus) { 175 if(!num_cpus) {
186 #ifdef linux 176 #if defined(__linux)
187 char line[BUFSIZ]; 177 char line[BUFSIZ];
188 FILE *pstat = fopen("/proc/stat", "r"); 178 FILE *pstat = fopen("/proc/stat", "r");
189 if ( pstat ) { 179 if ( pstat ) {
190 while ( fgets(line, sizeof(line), pstat) ) { 180 while ( fgets(line, sizeof(line), pstat) ) {
191 if (memcmp(line, "cpu", 3) == 0 && line[3] != ' ') { 181 if (memcmp(line, "cpu", 3) == 0 && line[3] != ' ') {
192 ++num_cpus; 182 ++num_cpus;
193 } 183 }
194 } 184 }
195 fclose(pstat); 185 fclose(pstat);
196 } 186 }
197 #elif defined(HAVE_KSTAT) 187 #elif defined(_SC_NPROCESSORS_ONLN)
198 kstat_ctl_t *kc = kstat_open(); 188 /* number of processors online (SVR4.0MP compliant machines) */
199 kstat_t *ks; 189 num_cpus = sysconf(_SC_NPROCESSORS_ONLN);
200 kstat_named_t *kn; 190 #elif defined(_SC_NPROCESSORS_CONF)
201 if(kc) { 191 /* number of processors configured (SVR4.0MP compliant machines) */
202 if((ks = kstat_lookup(kc, "unix", -1, "system_misc")) 192 num_cpus = sysconf(_SC_NPROCESSORS_CONF);
203 && kstat_read(kc, ks, NULL) != -1
204 && (kn = kstat_data_lookup(ks, "ncpus")))
205 #ifdef KSTAT_DATA_UINT32
206 num_cpus = kn->value.ui32;
207 #else
208 num_cpus = kn->value.ul; /* needed in solaris <2.6 */
209 #endif
210 kstat_close(kc);
211 }
212 #elif defined(__USLC__)
213 num_cpus = (int)sysconf(_SC_NPROCESSORS_CONF);
214 #endif 193 #endif
215 if ( num_cpus <= 0 ) { 194 if ( num_cpus <= 0 ) {
216 num_cpus = 1; 195 num_cpus = 1;
217 } 196 }
218 } 197 }