55 lines
1.2 KiB
C
55 lines
1.2 KiB
C
--- linux/q_shlinux.c.orig Fri Sep 28 21:38:18 2007
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+++ linux/q_shlinux.c Fri Sep 28 21:39:42 2007
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@@ -16,6 +16,10 @@
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#include "../qcommon/qcommon.h"
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+#ifndef __linux__
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+#include <machine/param.h>
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+#endif
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+
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//===============================================================================
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byte *membase;
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@@ -58,14 +62,29 @@
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int Hunk_End (void)
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{
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-#ifndef __FreeBSD__
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byte *n;
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+#ifndef __linux__
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+ size_t old_size = maxhunksize;
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+ size_t new_size = curhunksize + sizeof(int);
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+ void * unmap_base;
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+ size_t unmap_len;
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+
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+ new_size = round_page(new_size);
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+ old_size = round_page(old_size);
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+ if (new_size > old_size)
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+ n = 0; /* error */
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+ else if (new_size < old_size) {
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+ unmap_base = (caddr_t)(membase + new_size);
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+ unmap_len = old_size - new_size;
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+ n = munmap(unmap_base, unmap_len) + membase;
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+ }
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+#else
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n = mremap(membase, maxhunksize, curhunksize + sizeof(int), 0);
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+#endif
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if (n != membase)
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Sys_Error("Hunk_End: Could not remap virtual block (%d)", errno);
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*((int *)membase) = curhunksize + sizeof(int);
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-#endif
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return curhunksize;
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}
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@@ -111,7 +130,9 @@
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void Sys_DebugBreak (void)
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{
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+#ifdef __i386__
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__asm ("int $3");
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+#endif
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}
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void Sys_Mkdir (char *path)
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