mirror of https://github.com/mkerrisk/man-pages
mlock.2: mlock2(): Fix prototype parameter types
The documented prototype for mlock2() was a mix of the glibc wrapper prototype and the kernel syscall prototype. Let's document the glibc wrapper prototype, which is shown below. ...... .../glibc$ grep_glibc_prototype mlock2 sysdeps/unix/sysv/linux/bits/mman-shared.h:55: int mlock2 (const void *__addr, size_t __length, unsigned int __flags) __THROW; .../glibc$ function grep_glibc_prototype() { if ! [ -v 1 ]; then >&2 echo "Usage: ${FUNCNAME[0]} <func>"; return ${EX_USAGE}; fi find * -type f \ |grep '\.h$' \ |sort -V \ |xargs pcregrep -Mn \ "(?s)^[^\s#][\w\s]+\s+\**${1}\s*\([\w\s()[\]*,]*?(...)?\)[\w\s()]*;" \ |sed -E 's/^[^:]+:[0-9]+:/&\n/'; } Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com> Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
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@ -31,7 +31,7 @@ mlock, mlock2, munlock, mlockall, munlockall \- lock and unlock memory
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.B #include <sys/mman.h>
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.PP
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.BI "int mlock(const void *" addr ", size_t " len );
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.BI "int mlock2(const void *" addr ", size_t " len ", int " flags );
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.BI "int mlock2(const void *" addr ", size_t " len ", unsigned int " flags );
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.BI "int munlock(const void *" addr ", size_t " len );
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.PP
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.BI "int mlockall(int " flags );
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