X-Git-Url: http://git.ipfire.org/?a=blobdiff_plain;f=man1%2Fpldd.1;h=5f6eddcb1cdb41c0aec8aaa2b7cbb42d58ccb404;hb=63121bd499c23abe6c489d7edb22c741e8150309;hp=a1ec50e81ef3d9eaf3f57b4a564ee4a514978c06;hpb=dcab219acd706d9b18e00c8c86b66a749d77f3f1;p=thirdparty%2Fman-pages.git diff --git a/man1/pldd.1 b/man1/pldd.1 index a1ec50e81e..5f6eddcb1c 100644 --- a/man1/pldd.1 +++ b/man1/pldd.1 @@ -22,7 +22,7 @@ .\" the source, must acknowledge the copyright and authors of this work. .\" %%%LICENSE_END .\" -.TH PLDD 1 2014-09-27 "GNU" "Linux User Manual" +.TH PLDD 1 2019-08-02 "GNU" "Linux User Manual" .SH NAME pldd \- display dynamic shared objects linked into a process .SH SYNOPSIS @@ -33,20 +33,31 @@ pldd \- display dynamic shared objects linked into a process .SH DESCRIPTION The .B pldd -command displays a list of the dynamic shared objects that are -linked into the process with the specified process ID. +command displays a list of the dynamic shared objects (DSOs) that are +linked into the process with the specified process ID (PID). The list includes the libraries that have been dynamically loaded using .BR dlopen (3). .SH OPTIONS .TP .BR \-? ", " \-\-help -Display program help message. +Display a help message and exit. .TP -.BR \-\-usage -Display a short usage message. +.B \-\-usage +Display a short usage message and exit. .TP .BR \-V ", " \-\-version -Display the program version. +Display program version information and exit. +.SH EXIT STATUS +On success, +.B pldd +exits with the status 0. +If the specified process does not exist, +the user does not have permission to access +its dynamic shared object list, +or no command-line arguments are supplied, +.B pldd +exists with a status of 1. +If given an invalid option, it exits with the status 64. .SH VERSIONS .B pldd is available since glibc 2.15. @@ -57,37 +68,54 @@ command is not specified by POSIX.1. Some other systems .\" There are man pages on Solaris and HP-UX. have a similar command. -.SH EXIT STATUS -On success, +.SH NOTES +The command +.PP +.in +4n +.EX +lsof \-p PID +.EE +.in +.PP +also shows output that includes the dynamic shared objects +that are linked into a process. +.PP +The +.BR gdb (1) +.I "info shared" +command also shows the shared libraries being used by a process, +so that one can obtain similar output to .B pldd -exits with the status 0. -If the specified process does not exist, -the user does not have permission to access -its dynamic shared object list, -or no command-line arguments are supplied, +using a command such as the following +(to monitor the process with the specified +.IR pid ): +.PP +.in +4n +.EX +$ \fBgdb \-ex "set confirm off" \-ex "set height 0" \-ex "info shared" \e\fP + \fB\-ex "quit" \-p $pid | grep '^0x.*0x'\fP +.EE +.in +.SH BUGS +From glibc 2.19 to 2.29, .B pldd -exists with a status of 1. -If given an invalid option, it exits with the status 64. +was broken: it just hung when executed. +.\" glibc commit 1a4c27355e146b6d8cc6487b998462c7fdd1048f +This problem was fixed in glibc 2.30, and the fix has been backported +to earlier glibc versions in some distributions. .SH EXAMPLE -.nf +.EX $ \fBecho $$\fP # Display PID of shell 1143 $ \fBpldd $$\fP # Display DSOs linked into the shell -1143: /usr/bin/bash +1143: /usr/bin/bash linux\-vdso.so.1 /lib64/libtinfo.so.5 /lib64/libdl.so.2 /lib64/libc.so.6 /lib64/ld\-linux\-x86\-64.so.2 /lib64/libnss_files.so.2 -.fi -.SH NOTES -The command - - lsof -p PID - -also shows output that includes the dynamic shared objects -that are linked into a process. +.EE .SH SEE ALSO .BR ldd (1), .BR lsof (1),