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sia_chdir(3) Library Functions Manual sia_chdir(3) NAME sia_chdir - Interface to the chdir system call - SIA (Security Integra- tion Architecture) LIBRARY Standard C library (libc.so and libc.a) SYNOPSIS #include <siad.h> int sia_chdir( const char * directory, time_t timelimit); PARAMETERS directory The specified new working directory. The parameter must be an ASCII string. If it is a NULL, SIAFAIL is re- turned. timelimit The number of seconds to allow for the chdir call. If a 0 is specified, there is no timeout. If the value is less than 0, SIA_DEF_TIMEOUT is used. DESCRIPTION The sia_chdir() routine implements a "NFS-safe" way to change the cur- rent working directory. This routine calls the chdir() system call which is protected by alarm() and signal-handling for SIGALRM, SIGHUP, SIGINT, SIGQUIT, and SIGTERM. Receipt of any of these signals causes the chdir() operation to fail. If the chdir call completes within the time limit given, the call succeeds. RETURN VALUES The sia_chdir() routine returns SIASUCCESS or SIAFAIL. ERRORS The errno value is not (normally) set explicitly by sia_* routines. The errno values are those returned from the dynamic loader interface, from dependent (siad_*) routines, or from malloc. Possible errors in- clude resource constraints (no memory) and various authentication fail- ures. FILES /etc/passwd /etc/sia/matrix.conf RELATED INFORMATION chdir(2) Security delim off sia_chdir(3)