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OpenSolaris 2009.06 - man page for reboot (opensolaris section 3c)

reboot(3C)						   Standard C Library Functions 						reboot(3C)

reboot - reboot system or halt processor
#include <sys/reboot.h> int reboot(int howto, char *bootargs);
The reboot() function reboots the system. The howto argument specifies the behavior of the system while rebooting and is a mask con- structed by a bitwise-inclusive-OR of flags from the following list: RB_AUTOBOOT The machine is rebooted from the root filesystem on the default boot device. This is the default behavior. See boot(1M) and kernel(1M). RB_HALT The processor is simply halted; no reboot takes place. This option should be used with caution. RB_ASKNAME Interpreted by the bootstrap program and kernel, causing the user to be asked for pathnames during the bootstrap. RB_DUMP The system is forced to panic immediately without any further processing and a crash dump is written to the dump device (see dumpadm(1M)) before rebooting. Any other howto argument causes the kernel file to boot. The interpretation of the bootargs argument is platform-dependent.
Upon successful completion, reboot() never returns. Otherwise, -1 is returned and errno is set to indicate the error.
The reboot() function will fail if: EPERM The {PRIV_SYS_CONFIG} privilege is not asserted in the effective set of the calling process.
Intro(1M), boot(1M), dumpadm(1M), halt(1M), init(1M), kernel(1M), reboot(1M), uadmin(2) SunOS 5.11 22 Mar 2004 reboot(3C)