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Find path of executable having problem

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Operating Systems Solaris Find path of executable having problem
# 8  
Old 07-11-2013
Quote:
Originally Posted by jlliagre
pwdx is definitely a standard Solaris command and shows the current directory of a process. This is enough to answer your question given the relative PATH used to run your command.

...
That will only be true if the process didn't change its current directory after starting.

The pmap utility will show you the executable:
Code:
bash-3.2$ pmap $$
22255:    bash
08044000      16K rw---    [ stack ]
08050000     644K r-x--  /usr/bin/bash
08100000      80K rwx--  /usr/bin/bash
08114000     180K rwx--    [ heap ]
FE980000      56K r-x--  /lib/libsocket.so.1
FE99E000       4K rw---  /lib/libsocket.so.1
FEBE0000    1280K r-x--  /usr/lib/libc/libc_hwcap1.so.1
FED20000      28K rwx--  /usr/lib/libc/libc_hwcap1.so.1
FED27000       8K rwx--  /usr/lib/libc/libc_hwcap1.so.1
FED30000     624K r-x--  /lib/libnsl.so.1
FEDDC000      16K rw---  /lib/libnsl.so.1
FEDE0000      20K rw---  /lib/libnsl.so.1
FEEE0000      64K rwx--    [ anon ]
FEEF8000       4K rwxs-    [ anon ]
FEF00000      24K rwx--    [ anon ]
FEF10000       4K rwx--    [ anon ]
FEF20000       4K r-x--  /lib/libdl.so.1
FEF30000       4K rwx--    [ anon ]
FEF40000     180K r-x--  /lib/libcurses.so.1
FEF7D000      28K rw---  /lib/libcurses.so.1
FEF84000       8K rw---  /lib/libcurses.so.1
FEF90000       4K rwx--    [ anon ]
FEFA0000       4K rw---    [ anon ]
FEFB0000       4K rw---    [ anon ]
FEFBE000     180K r-x--  /lib/ld.so.1
FEFFB000       8K rwx--  /lib/ld.so.1
FEFFD000       4K rwx--  /lib/ld.so.1
 total      3480K

# 9  
Old 07-12-2013
Quote:
Originally Posted by achenle
That will only be true if the process didn't change its current directory after starting.
Good point.
Quote:
The pmap utility will show you the executable:
Indeed, there are many ways to skin a cat !
# 10  
Old 07-16-2013
The lsof tool is open source written at Perdue originally, so you can port it in if the local security model allows. Vic Abell's Home Page

Since all executables are sym linked into /proc as a.out on Solaris, that is the native solution. The ls -l of the sym link shows the ortiginal position. It might get funny if the executable is deleted, as in sent to */lost+found/ until all fd are closed.
# 11  
Old 07-16-2013
Quote:
Originally Posted by DGPickett
The lsof tool is open source written at Perdue originally, so you can port it in if the local security model allows. Vic Abell's Home Page

Since all executables are sym linked into /proc as a.out on Solaris, that is the native solution. The ls -l of the sym link shows the ortiginal position. It might get funny if the executable is deleted, as in sent to */lost+found/ until all fd are closed.
/proc/[pid]/object/a.out is not a soft link in Solaris 10:
Code:
-bash-3.00$ ls -la /proc/$$/object/a.out
-r-xr-xr-x   1 root     bin       611132 May  2  2007 /proc/5181/object/a.out

Nor Solaris 11:
Code:
-bash-4.1$ ls -la /proc/$$/object/a.out
-r-xr-xr-x   1 root     bin      1377712 Sep 19  2012 /proc/7275/object/a.out

If it were a soft link as it is on Linux, finding the actual binary would be trivial in all cases.
# 12  
Old 07-17-2013
@achenle, it is trivial and it is a soft link on Solaris too. You misread my answer, I'm not suggesting the "object" subdirectory but the "path" one:

Code:
# uname -a
SunOS s10u10.local.net 5.10 Generic_147441-01 i86pc i386 i86pc
# ls -l /proc/$$/object/a.out
-r-xr-xr-x   3 root     bin       171412 May  2  2011 /proc/2059/object/a.out
# ls -l /proc/$$/path/a.out
lrwxrwxrwx   1 root     root           0 Jul 17 08:22 /proc/2059/path/a.out -> /usr/bin/ksh

Code:
$ uname -a
SunOS s11-1 5.11 11.1 i86pc i386 i86pc
$ ls -l /proc/$$/object/a.out
-r-xr-xr-x   4 root     bin      2558000 Sep 19  2012 /proc/3390/object/a.out
$ ls -l /proc/$$/path/a.out
lrwxrwxrwx   1 jlliagre staff          0 Jul 17 08:26 /proc/3390/path/a.out -> /usr/bin/amd64/ksh

# 13  
Old 07-17-2013
Well, thanks. Learn something new every day. Smilie

I wonder when that was added to Solaris. I'm guessing Solaris 10.
# 14  
Old 07-17-2013
No, 17 years old, but /proc is an area many try to stay out of! If nothing else, it is not UNIX portable. It is probably mostly fake, like /dev/fd/0 -- not really there, but intercepted and equivalents used, like dup( 0 ) for open( "/dev/fd/0", ... ). http://en.wikipedia.org/wiki/Procfs#Solaris
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