Don't use getpagesize() on Windows

slouken · slouken · commit ea8e66ccd16f · 2025-11-03T08:36:29.000-08:00
Fixes #14328
diff --git a/src/cpuinfo/SDL_cpuinfo.c b/src/cpuinfo/SDL_cpuinfo.c
@@ -29,7 +29,11 @@
 
 // CPU feature detection for SDL
 
-#if defined(HAVE_SYSCONF) || defined(HAVE_GETPAGESIZE)
+#if defined(HAVE_GETPAGESIZE) && !defined(SDL_PLATFORM_WINDOWS)
+#define USE_GETPAGESIZE
+#endif
+
+#if defined(HAVE_SYSCONF) || defined(USE_GETPAGESIZE)
 #include <unistd.h>
 #endif
 #ifdef HAVE_SYSCTLBYNAME
@@ -1252,7 +1256,7 @@ int SDL_GetSystemPageSize(void)
             }
         }
 #endif
-#ifdef HAVE_GETPAGESIZE
+#ifdef USE_GETPAGESIZE
         if (SDL_SystemPageSize <= 0) {
             SDL_SystemPageSize = getpagesize();
         }

Original file line number	Diff line number	Diff line change
`@@ -29,7 +29,11 @@`
`29`	`29`
`30`	`30`	`// CPU feature detection for SDL`
`31`	`31`
`32`		`-#if defined(HAVE_SYSCONF) \|\| defined(HAVE_GETPAGESIZE)`
	`32`	`+#if defined(HAVE_GETPAGESIZE) && !defined(SDL_PLATFORM_WINDOWS)`
	`33`	`+#define USE_GETPAGESIZE`
	`34`	`+#endif`
	`35`	`+`
	`36`	`+#if defined(HAVE_SYSCONF) \|\| defined(USE_GETPAGESIZE)`
`33`	`37`	`#include <unistd.h>`
`34`	`38`	`#endif`
`35`	`39`	`#ifdef HAVE_SYSCTLBYNAME`
`@@ -1252,7 +1256,7 @@ int SDL_GetSystemPageSize(void)`
`1252`	`1256`	`}`
`1253`	`1257`	`}`
`1254`	`1258`	`#endif`
`1255`		`-#ifdef HAVE_GETPAGESIZE`
	`1259`	`+#ifdef USE_GETPAGESIZE`
`1256`	`1260`	`if (SDL_SystemPageSize <= 0) {`
`1257`	`1261`	`SDL_SystemPageSize = getpagesize();`
`1258`	`1262`	`}`