Changeset 7ef162b2 for libcfa/src/concurrency/io
- Timestamp:
- Nov 22, 2021, 1:07:05 PM (3 years ago)
- Branches:
- ADT, ast-experimental, enum, forall-pointer-decay, master, pthread-emulation, qualifiedEnum
- Children:
- 6ddef36, ddd2ec9
- Parents:
- 059ad16
- Location:
- libcfa/src/concurrency/io
- Files:
-
- 2 edited
Legend:
- Unmodified
- Added
- Removed
-
libcfa/src/concurrency/io/setup.cfa
r059ad16 r7ef162b2 220 220 cq.cqes = (struct io_uring_cqe *)(((intptr_t)cq.ring_ptr) + params.cq_off.cqes); 221 221 222 // Step 4 : eventfd 223 // io_uring_register is so f*cking slow on some machine that it 224 // will never succeed if preemption isn't hard blocked 225 __cfadbg_print_safe(io_core, "Kernel I/O : registering %d for completion with ring %d\n", procfd, fd); 226 227 __disable_interrupts_hard(); 228 229 int ret = syscall( __NR_io_uring_register, fd, IORING_REGISTER_EVENTFD, &procfd, 1); 230 if (ret < 0) { 231 abort("KERNEL ERROR: IO_URING EVENTFD REGISTER - %s\n", strerror(errno)); 232 } 233 234 __enable_interrupts_hard(); 235 236 __cfadbg_print_safe(io_core, "Kernel I/O : registered %d for completion with ring %d\n", procfd, fd); 222 #if !defined(IO_URING_IDLE) 223 // Step 4 : eventfd 224 // io_uring_register is so f*cking slow on some machine that it 225 // will never succeed if preemption isn't hard blocked 226 __cfadbg_print_safe(io_core, "Kernel I/O : registering %d for completion with ring %d\n", procfd, fd); 227 228 __disable_interrupts_hard(); 229 230 int ret = syscall( __NR_io_uring_register, fd, IORING_REGISTER_EVENTFD, &procfd, 1); 231 if (ret < 0) { 232 abort("KERNEL ERROR: IO_URING EVENTFD REGISTER - %s\n", strerror(errno)); 233 } 234 235 __enable_interrupts_hard(); 236 237 __cfadbg_print_safe(io_core, "Kernel I/O : registered %d for completion with ring %d\n", procfd, fd); 238 #endif 237 239 238 240 // some paranoid checks -
libcfa/src/concurrency/io/types.hfa
r059ad16 r7ef162b2 185 185 186 186 // Wait for the future to be fulfilled 187 bool wait( io_future_t & this ) { 188 return wait(this.self); 189 } 190 191 void reset( io_future_t & this ) { 192 return reset(this.self); 193 } 187 bool wait ( io_future_t & this ) { return wait (this.self); } 188 void reset ( io_future_t & this ) { return reset (this.self); } 189 bool available( io_future_t & this ) { return available(this.self); } 194 190 }
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