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authorMattias Andrée <maandree@kth.se>2018-11-07 22:18:04 +0100
committerMattias Andrée <maandree@kth.se>2018-11-07 22:18:04 +0100
commit9fc2b129167e1f2a16d942369f057f618a00d81c (patch)
treec15d15d8afc525a423ce0d43d95f676e6e5a2541 /man/libsimple_pvallocz.3
parentAdd arrayalloc man page (diff)
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Move section 3 man pages to man3/ and add libsimple.h.0
Signed-off-by: Mattias Andrée <maandree@kth.se>
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-.TH LIBSIMPLE_PVALLOCZ 3 2018-11-03 libsimple
-.SH NAME
-libsimple_pvallocz \- allocate optionally initialised memory with page size alignment
-.SH SYNOPSIS
-.nf
-#include <libsimple.h>
-
-static inline void *libsimple_pvallocz(int \fIclear\fP, size_t \fIn\fP);
-static inline void *libsimple_enpvallocz(int \fIstatus\fP, int \fIclear\fP, size_t \fIn\fP);
-static inline void *libsimple_epvallocz(int \fIclear\fP, size_t \fIn\fP);
-
-#ifndef pvallocz
-# define pvallocz libsimple_pvallocz
-#endif
-#ifndef enpvallocz
-# define enpvallocz libsimple_enpvallocz
-#endif
-#ifndef epvallocz
-# define epvallocz libsimple_epvallocz
-#endif
-.fi
-.PP
-Link with
-.IR \-lsimple .
-.SH DESCRIPTION
-The
-.BR libsimple_pvallocz (),
-.BR libsimple_enpvallocz (),
-and
-.BR libsimple_epvallocz ()
-functions allocate
-.I n
-bytes, rounded up to the next multiple of the page size,
-to the heap and return a pointer with an alignment of
-the page size to the allocated memory. The memory will be
-initialised with zeroes if
-.I clear
-is a non-zero value. The function
-.BR free (3)
-shall be called with the returned pointer as
-input when the allocated memory is no longer needed.
-.PP
-The
-.BR libsimple_enpvallocz ()
-and
-.BR libsimple_epvallocz ()
-functions will terminate the process if the memory
-cannot be allocated of if the user tries to allocate
-0 bytes, by calling the
-.BR libsimple_enprintf ()
-and
-.BR libsimple_eprintf ()
-functions, respectively.
-On failure, the process's exit value will be
-.I status
-if the
-.BR libsimple_enpvallocz ()
-function is used or
-.IR libsimple_default_failure_exit (3)
-if the
-.BR libsimple_epvallocz ()
-function is used.
-.PP
-The
-.BR libsimple_enpvallocz ()
-and
-.BR libsimple_epvallocz ()
-functions behaviour is unspecified if
-.I n
-is 0.
-.SH RETURN VALUE
-The
-.BR libsimple_pvallocz (),
-.BR libsimple_enpvallocz (),
-and
-.BR libsimple_epvallocz ()
-functions return a pointer to the allocated memory
-upon success completion; otherwise the
-.BR libsimple_pvallocz ()
-function return
-.B NULL
-and set
-.I errno
-it indicate the error, and the
-.BR libsimple_enpvallocz ()
-and
-.BR libsimple_epvallocz ()
-functions terminated the process.
-.SH ERRORS
-The
-.BR libsimple_pvallocz ()
-function will fail if:
-.TP
-.B EINVAL
-.I n
-is 0.
-.TP
-.B ENOMEM
-Enough memory could not be allocated.
-.PP
-The
-.BR libsimple_enpvallocz ()
-and
-.BR libsimple_epvallocz ()
-functions will terminate the process on failure.
-.SH ATTRIBUTES
-For an explanation of the terms used in this section, see
-.BR attributes (7).
-.TS
-allbox;
-lb lb lb
-l l l.
-Interface Attribute Value
-T{
-.BR libsimple_pvallocz (),
-.br
-.BR libsimple_enpvallocz (),
-.br
-.BR libsimple_epvallocz ()
-T} Thread safety MT-Safe
-T{
-.BR libsimple_pvallocz (),
-.br
-.BR libsimple_enpvallocz (),
-.br
-.BR libsimple_epvallocz ()
-T} Async-signal safety AS-Safe
-T{
-.BR libsimple_pvallocz (),
-.br
-.BR libsimple_enpvallocz (),
-.br
-.BR libsimple_epvallocz ()
-T} Async-cancel safety AC-Safe
-.TE
-.SH EXAMPLES
-None.
-.SH APPLICATION USAGE
-None.
-.SH RATIONALE
-None.
-.SH FUTURE DIRECTIONS
-None.
-.SH NOTES
-The GNU implementation of
-.BR pvalloc (3)
-is \(dqMT-Unsafe init\(dq.
-.SH BUGS
-None.
-.SH SEE ALSO
-.BR libsimple_enmalloc (3),
-.BR libsimple_mallocz (3),
-.BR libsimple_vmallocn (3),
-.BR libsimple_vmalloczn (3),
-.BR libsimple_encalloc (3),
-.BR libsimple_vcallocn (3),
-.BR libsimple_enrealloc (3),
-.BR libsimple_vreallocn (3),
-.BR libsimple_memalign (3),
-.BR libsimple_memalignz (3),
-.BR libsimple_vmemalignn (3),
-.BR libsimple_vmemalignzn (3),
-.BR libsimple_enposix_memalign (3),
-.BR libsimple_posix_memalignz (3),
-.BR libsimple_vposix_memalignn (3),
-.BR libsimple_vposix_memalignzn (3),
-.BR libsimple_enaligned_alloc (3),
-.BR libsimple_aligned_allocz (3),
-.BR libsimple_valigned_allocn (3),
-.BR libsimple_valigned_alloczn (3),
-.BR libsimple_pvalloc (3),
-.BR libsimple_vpvallocn (3),
-.BR libsimple_vpvalloczn (3),
-.BR libsimple_valloc (3),
-.BR libsimple_vallocz (3),
-.BR libsimple_vvallocn (3),
-.BR libsimple_vvalloczn (3),
-.BR libsimple_vmemalloc (3),
-.BR libsimple_varrayalloc (3)