Remove dependency on signal() function #1529

Job	Run time
code formatting check	22s
min features with gcc	2m 18s
min features with g++	2m 1s
cppcheck	1m 42s
min features with clang	3m 10s
max features with gcc	3m 35s
max features with g++	2m 13s
max features with clang	3m 35s
max features with gcc and DEBUG	2m 25s
max features with gcc for 32-bit arch (legacy OS)	2m 0s
max features with g++ for 32-bit arch (legacy OS)	4m 28s
max features with clang for 32-bit arch (legacy OS)	1m 53s
	29m 42s

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