diff options
Diffstat (limited to 'man3/mcheck.3')
| -rw-r--r-- | man3/mcheck.3 | 21 |
1 files changed, 10 insertions, 11 deletions
diff --git a/man3/mcheck.3 b/man3/mcheck.3 index 97f217f..7b6c7da 100644 --- a/man3/mcheck.3 +++ b/man3/mcheck.3 @@ -3,7 +3,7 @@ .\" .\" SPDX-License-Identifier: Linux-man-pages-copyleft .\" -.TH mcheck 3 2023-07-20 "Linux man-pages 6.05.01" +.TH mcheck 3 2024-02-26 "Linux man-pages 6.7" .SH NAME mcheck, mcheck_check_all, mcheck_pedantic, mprobe \- heap consistency checking .SH LIBRARY @@ -12,11 +12,11 @@ Standard C library .SH SYNOPSIS .nf .B #include <mcheck.h> -.PP +.P .BI "int mcheck(void (*" abortfunc ")(enum mcheck_status " mstatus )); .BI "int mcheck_pedantic(void (*" abortfunc ")(enum mcheck_status " mstatus )); .B void mcheck_check_all(void); -.PP +.P .BI "enum mcheck_status mprobe(void *" ptr ); .fi .SH DESCRIPTION @@ -30,7 +30,7 @@ on the state of the heap. The checks can detect application errors such as freeing a block of memory more than once or corrupting the bookkeeping data structures that immediately precede a block of allocated memory. -.PP +.P To be effective, the .BR mcheck () function must be called before the first call to @@ -42,7 +42,7 @@ inserts an implicit call to .BR mcheck () (with a NULL argument) before the first call to a memory-allocation function. -.PP +.P The .BR mcheck_pedantic () function is similar to @@ -50,14 +50,14 @@ function is similar to but performs checks on all allocated blocks whenever one of the memory-allocation functions is called. This can be very slow! -.PP +.P The .BR mcheck_check_all () function causes an immediate check on all allocated blocks. This call is effective only if .BR mcheck () is called beforehand. -.PP +.P If the system detects an inconsistency in the heap, the caller-supplied function pointed to by .I abortfunc @@ -70,7 +70,7 @@ is NULL, a default function prints an error message on .I stderr and calls .BR abort (3). -.PP +.P The .BR mprobe () function performs a consistency check on @@ -82,7 +82,7 @@ function should be called beforehand (otherwise .BR mprobe () returns .BR MCHECK_DISABLED ). -.PP +.P The following list describes the values returned by .BR mprobe () or passed as the @@ -135,7 +135,6 @@ MT-Unsafe race:mcheck const:malloc_hooks T} .TE -.sp 1 .SH STANDARDS GNU. .SH HISTORY @@ -167,7 +166,7 @@ The program below calls with a NULL argument and then frees the same block of memory twice. The following shell session demonstrates what happens when running the program: -.PP +.P .in +4n .EX .RB "$" " ./a.out" |