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047d851fb6
This patch implements the POSIX signal functionality needed to interrupt a running Noux GDB by pressing 'Ctrl-C'. It allows to register a signal handler for the 'SIGINT' signal, which gets executed after 'Ctrl-C' is received from the terminal. With the current state of the implementation, the signal handler only gets executed when the Noux application calls a 'read()', 'write()', 'ftruncate()' or 'select()' syscall. Fixes #923.
104 lines
2.2 KiB
Plaintext
104 lines
2.2 KiB
Plaintext
set build_components {
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core init drivers/timer drivers/uart
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noux/minimal
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test/noux_signals
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}
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build $build_components
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# create tar archive
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exec tar cfv bin/noux_signals.tar -h -C bin test-noux_signals
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create_boot_directory
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append config {
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<config verbose="yes">
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<parent-provides>
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<service name="ROM"/>
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<service name="LOG"/>
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<service name="CAP"/>
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<service name="RAM"/>
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<service name="RM"/>
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<service name="CPU"/>
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<service name="PD"/>
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<service name="IRQ"/>
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<service name="IO_MEM"/>
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<service name="IO_PORT"/>
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<service name="SIGNAL"/>
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</parent-provides>
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<default-route>
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<any-service> <any-child/> <parent/> </any-service>
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</default-route>
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<start name="timer">
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<resource name="RAM" quantum="1M"/>
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<provides><service name="Timer"/></provides>
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</start>
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<start name="uart_drv">
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<resource name="RAM" quantum="2M"/>
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<provides><service name="Terminal"/></provides>
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<config>
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<policy label="noux" uart="1"/>
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</config>
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</start>
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<start name="noux">
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<resource name="RAM" quantum="1G"/>
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<config verbose="yes">
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<fstab> <tar name="noux_signals.tar" /> </fstab>
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<start name="test-noux_signals"> </start>
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</config>
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</start>
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</config>
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}
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install_config $config
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set boot_modules {
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core init timer ld.lib.so noux libc.lib.so
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uart_drv libc_noux.lib.so noux_signals.tar
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}
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build_boot_image $boot_modules
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#
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# Redirect the LOG session output of Noux into a file
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#
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set noux_output_file "noux_signals.log"
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append qemu_args " -nographic"
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append qemu_args " -serial file:$noux_output_file"
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append qemu_args " -serial mon:stdio"
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run_genode_until "test ready" 10
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# send Ctrl-C
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send \003
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run_genode_until "test finished" 10 $spawn_id
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set error_occured 0
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if {![regexp {0: signal handler for signal 2 called} $output]} {
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set error_occured 1
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}
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if {![regexp {1: signal handler for signal 2 called} $output]} {
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set error_occured 1
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}
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if {![regexp {0: 'read\(\)' returned with error EINTR} $output]} {
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set error_occured 1
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}
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if {![regexp {1: 'read\(\)' returned with error EINTR} $output]} {
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set error_occured 1
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}
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if { $error_occured == 1 } {
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puts "output not as expected"
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exit -1
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}
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exec rm bin/noux_signals.tar
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exec rm $noux_output_file
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