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Allow character devices to block write attempts until there is more space.

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This commit is contained in:
Andreas Kling 2019-01-15 09:17:22 +01:00
parent 49b63281a0
commit e452303c66
21 changed files with 39 additions and 7 deletions
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2
Kernel/Process.cpp
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@ -1023,7 +1023,7 @@ ssize_t Process::sys$write(int fd, const void* data, size_t size)
#ifdef IO_DEBUG
dbgprintf("while %u < %u\n", nwritten, size);
#endif
if (!descriptor->can_write()) {
if (!descriptor->can_write(*this)) {
#ifdef IO_DEBUG
dbgprintf("block write on %d\n", fd);
#endif