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head/sys/kern/sys_pipe.c
| Show First 20 Lines • Show All 1,424 Lines • ▼ Show 20 Lines | #endif | ||||
| levents = events & | levents = events & | ||||
| (POLLIN | POLLINIGNEOF | POLLPRI | POLLRDNORM | POLLRDBAND); | (POLLIN | POLLINIGNEOF | POLLPRI | POLLRDNORM | POLLRDBAND); | ||||
| if (rpipe->pipe_state & PIPE_NAMED && fp->f_flag & FREAD && levents && | if (rpipe->pipe_state & PIPE_NAMED && fp->f_flag & FREAD && levents && | ||||
| fp->f_pipegen == rpipe->pipe_wgen) | fp->f_pipegen == rpipe->pipe_wgen) | ||||
| events |= POLLINIGNEOF; | events |= POLLINIGNEOF; | ||||
| if ((events & POLLINIGNEOF) == 0) { | if ((events & POLLINIGNEOF) == 0) { | ||||
| if (rpipe->pipe_state & PIPE_EOF) { | if (rpipe->pipe_state & PIPE_EOF) { | ||||
| if (fp->f_flag & FREAD) | |||||
| revents |= (events & (POLLIN | POLLRDNORM)); | revents |= (events & (POLLIN | POLLRDNORM)); | ||||
| if (wpipe->pipe_present != PIPE_ACTIVE || | if (wpipe->pipe_present != PIPE_ACTIVE || | ||||
| (wpipe->pipe_state & PIPE_EOF)) | (wpipe->pipe_state & PIPE_EOF)) | ||||
| revents |= POLLHUP; | revents |= POLLHUP; | ||||
| } | } | ||||
| } | } | ||||
| if (revents == 0) { | if (revents == 0) { | ||||
| if (fp->f_flag & FREAD && events & (POLLIN | POLLRDNORM)) { | if (fp->f_flag & FREAD && events & (POLLIN | POLLRDNORM)) { | ||||
| ▲ Show 20 Lines • Show All 345 Lines • Show Last 20 Lines | |||||