Query: vm_page_sleep_if_busy
OS: debian
Section: 9
Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar
VM_PAGE_SLEEP_IF_BUSY(9) BSD Kernel Developer's Manual VM_PAGE_SLEEP_IF_BUSY(9)NAMEvm_page_sleep_if_busy -- wait for a busy page to become unbusySYNOPSIS#include <sys/param.h> #include <vm/vm.h> #include <vm/vm_page.h> int vm_page_sleep_if_busy(vm_page_t m, int also_m_busy, const char *wmesg);DESCRIPTIONThe vm_page_sleep_if_busy() function waits until the VPO_BUSY flag is cleared. If also_m_busy is non-zero, it also waits for m->busy to become zero.RETURN VALUESIf vm_page_sleep_if_busy() finds the page busy it returns TRUE. If not, it returns FALSE. Returning TRUE does not necessary mean that vm_page_sleep_if_busy() slept, but only that splvm() was called.AUTHORSThis manual page was written by Chad David <davidc@acns.ab.ca>.BSDJuly 13, 2001 BSD