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f9809df4c1
ksh supports multiple sources of heap memory. Completely disable the use of sbrk() as a memory source in favor of mmap(). This allows compilation on aarch64 (and presumably riscv64). Approved by: cy Differential Revision: https://reviews.freebsd.org/D37312
25 lines
589 B
C
25 lines
589 B
C
--- src/lib/libast/vmalloc/vmbest.c.orig
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+++ src/lib/libast/vmalloc/vmbest.c
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@@ -1169,6 +1169,7 @@
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}
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#endif /* _mem_win32 */
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+#undef _mem_sbrk
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#if _mem_sbrk /* getting space via brk/sbrk - not concurrent-ready */
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static Void_t* sbrkmem(Void_t* caddr, size_t csize, size_t nsize)
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{
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@@ -1265,10 +1266,13 @@
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}
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}
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else if(nsize == 0)
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- { Vmuchar_t *addr = (Vmuchar_t*)sbrk(0);
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+ {
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+#if 0
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+ Vmuchar_t *addr = (Vmuchar_t*)sbrk(0);
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if(addr < (Vmuchar_t*)caddr ) /* in sbrk space */
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return NIL(Void_t*);
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else
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+#endif
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{ (void)munmap(caddr, csize);
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return caddr;
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}
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