Add a SYS_write definition on systems where it is not defined in headers
Namely, in the Android NDK headers, SYS_write is not defined; but __NR_write is.
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@ -1,6 +1,9 @@
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#include <sys/mman.h>
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#include <sys/param.h>
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#include <sys/syscall.h>
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#if !defined(SYS_write) && defined(__NR_write)
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#define SYS_write __NR_write
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#endif
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#include <sys/time.h>
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#include <sys/types.h>
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#include <sys/uio.h>
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10
src/util.c
10
src/util.c
@ -44,7 +44,17 @@ JEMALLOC_CATTR(visibility("hidden"), static)
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void
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wrtmessage(void *cbopaque, const char *s)
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{
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#ifdef SYS_write
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/*
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* Use syscall(2) rather than write(2) when possible in order to avoid
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* the possibility of memory allocation within libc. This is necessary
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* on FreeBSD; most operating systems do not have this problem though.
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*/
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UNUSED int result = syscall(SYS_write, STDERR_FILENO, s, strlen(s));
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#else
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UNUSED int result = write(STDERR_FILENO, s, strlen(s));
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#endif
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}
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void (*je_malloc_message)(void *, const char *s)
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