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Diffstat (limited to 'man/libsimple_enaligned_alloc.3')
-rw-r--r-- | man/libsimple_enaligned_alloc.3 | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/man/libsimple_enaligned_alloc.3 b/man/libsimple_enaligned_alloc.3 new file mode 100644 index 0000000..e21b438 --- /dev/null +++ b/man/libsimple_enaligned_alloc.3 @@ -0,0 +1,147 @@ +.TH LIBSIMPLE_ENALIGNED_ALLOC 3 2018-11-03 libsimple +.SH NAME +libsimple_enaligned_alloc \- allocate memory with custom alignment or die +.SH SYNOPSIS +.nf +#include <libsimple.h> + +static inline void *libsimple_enaligned_alloc(int \fIstatus\fP, size_t \fIalignment\fP, size_t \fIn\fP); +static inline void *libsimple_ealigned_alloc(size_t \fIalignment\fP, size_t \fIn\fP); + +#ifndef enaligned_alloc +# define enaligned_alloc libsimple_enaligned_alloc +#endif +#ifndef ealigned_alloc +# define ealigned_alloc libsimple_ealigned_alloc +#endif +.fi +.PP +Link with +.IR \-lsimple . +.SH DESCRIPTION +The +.BR libsimple_enaligned_alloc () +and +.BR libsimple_ealigned_alloc () +functions allocate +.I n +uninitialised bytes to the heap and return a +pointer with an alignment of +.I alignment +bytes to the allocated memory. 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_enaligned_alloc () +and +.BR libsimple_ealigned_alloc () +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_enaligned_alloc () +function is used or +.IR libsimple_default_failure_exit (3) +if the +.BR libsimple_ealigned_alloc () +function is used. Failure include, +.I alignment +not being a power of two, or +.I n +not being a multiple of +.IR alignment . +.PP +The +.BR libsimple_enaligned_alloc () +and +.BR libsimple_ealigned_alloc () +functions behaviour is unspecified if +.I n +is 0. +.SH RETURN VALUE +The +.BR libsimple_enaligned_alloc (), +and +.BR libsimple_ealigned_alloc () +functions return a pointer to the allocated memory +upon success completion; otherwise the process is +terminated. +.SH ERRORS +The +.BR libsimple_enaligned_alloc () +and +.BR libsimple_ealigned_alloc () +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_enaligned_alloc (), +.br +.BR libsimple_ealigned_alloc () +T} Thread safety MT-Safe +T{ +.BR libsimple_enaligned_alloc (), +.br +.BR libsimple_ealigned_alloc () +T} Async-signal safety AS-Safe +T{ +.BR libsimple_enaligned_alloc (), +.br +.BR libsimple_ealigned_alloc () +T} Async-cancel safety AC-Safe +.TE +.SH EXAMPLES +None. +.SH APPLICATION USAGE +None. +.SH RATIONALE +None. +.SH FUTURE DIRECTIONS +None. +.SH NOTES +None. +.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_aligned_allocz (3), +.BR libsimple_valigned_allocn (3), +.BR libsimple_valigned_alloczn (3), +.BR libsimple_pvalloc (3), +.BR libsimple_pvallocz (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 aligned_alloc (3) |